Does Webb have resolution to look more closely at nearby objects, like Mars or even Earth? Or just far things?
Solar Orbiter just released its first scientific data — including the closest images ever taken of the Sun.
Launched on February 9, 2020, Solar Orbiter is a collaboration between the European Space Agency and NASA, designed to study the Sun up close. Solar Orbiter completed its first close pass of the Sun on June 15, flying within 48 million miles of the Sun’s surface.
This is already closer to the Sun than any other spacecraft has taken pictures (our Parker Solar Probe mission has flown closer, but it doesn’t take pictures of the Sun). And over the next seven years, Solar Orbiter will inch even closer to the Sun while tilting its orbit above the plane of the planets, to peek at the Sun’s north and south poles, which have never been imaged before.
Here’s some of what Solar Orbiter has seen so far.
Solar Orbiter’s Extreme Ultraviolet Imager, or EUI, sees the Sun in wavelengths of extreme ultraviolet light that are invisible to our eyes.
EUI captured images showing “campfires” dotting the Sun. These miniature bright spots are over a million times smaller than normal solar flares. They may be the nanoflares, or tiny explosions, long thought to help heat the Sun’s outer atmosphere, or corona, to its temperature 300 times hotter than the Sun’s surface. It will take more data to know for sure, but one thing’s certain: In EUI’s images, these campfires are all over the Sun.
The Polar and Helioseismic Imager, or PHI, maps the Sun’s magnetic field in a variety of ways. These images show several of the measurements PHI makes, including the magnetic field strength and direction and the speed of flow of solar material.
PHI will have its heyday later in the mission, as Solar Orbiter gradually tilts its orbit to 24 degrees above the plane of the planets, giving it a never-before-seen view of the poles. But its first images reveal the busy magnetic field on the solar surface.
Solar Orbiter’s instruments don’t just focus on the Sun itself — it also carries instruments that study the space around the Sun and surrounding the spacecraft.
The Solar and Heliospheric Imager, or SoloHi, looks out the side of the Solar Orbiter spacecraft to see the solar wind, dust, and cosmic rays that fill the space between the Sun and the planets. SoloHi captured the relatively faint light reflecting off interplanetary dust known as the zodiacal light, the bright blob of light in the right of the image. Compared to the Sun, the zodiacal light is extremely dim – to see it, SoloHi had to reduce incoming sunlight by a trillion times. The straight bright feature on the very edge of the image is a baffle illuminated by reflections from the spacecraft’s solar array.
This first data release highlights Solar Orbiter’s images, but its in situ instruments also revealed some of their first measurements. The Solar Wind Analyser, or SWA instrument, made the first dedicated measurements of heavy ions — carbon, oxygen, silicon, and iron — in the solar wind from the inner heliosphere.
Read more about Solar Orbiter’s first data and see all the images on ESA’s website.
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The first chance to launch Parker Solar Probe is 3:33 a.m. EDT on Aug. 11 from Space Launch Complex 37 at Cape Canaveral Air Force Station in Florida. Launch coverage on NASA TV starts at 3 a.m. EDT at nasa.gov/live.
After launch, Parker Solar Probe begins its daring journey to the Sun’s atmosphere, or corona, going closer to the Sun than any spacecraft in history and facing brutal heat and radiation.
Though Parker Solar Probe weighs a mere 1,400 pounds — pretty light for a spacecraft — it's launching aboard one of the world's most powerful rockets, a United Launch Alliance Delta IV Heavy with a third stage added.
Even though you might think the Sun's massive means things would just fall into it, it's surprisingly difficult to actually go there. Any object leaving Earth starts off traveling at about 67,000 miles per hour, same as Earth — and most of that is in a sideways direction, so you have to shed most of that sideways speed to make it to the Sun. All that means that it takes 55 times more launch energy to go to the Sun than it does to go to Mars. On top of its powerful launch vehicle, Parker Solar Probe will use seven Venus gravity assists to shed sideways speed.
Even though Parker Solar Probe will lose a lot of sideways speed, it'll still be going incredibly fast as its orbit draws closer to the Sun throughout its seven-year mission. At its fastest, Parker Solar Probe will travel at 430,000 miles per hour — fast enough to get from Philadelphia to Washington, D.C. in one second — setting the record for the fastest spacecraft in history.
But the real challenge was to keep the spacecraft from frying once it got there.
We’ve always wanted to send a mission to the corona, but we literally haven’t had the technology that can protect a spacecraft and its instruments from its scorching heat. Only recent advances have enabled engineers to build a heat shield that will protect the spacecraft on this journey of extremes — a tricky feat that requires withstanding the Sun’s intense radiation on the front and staying cool at the back, so the spacecraft and instruments can work properly.
The 4.5-inches-thick heat shield is built like a sandwich. There’s a thin layer of carbon material like you might find in your golf clubs or tennis rackets, carbon foam, and then another thin piece of carbon-carbon on the back. Even while the Sun-facing side broils at 2,500 degrees Fahrenheit, the back of the shield will remain a balmy 85 degrees — just above room temperature. There are so few particles in this region that it's a vacuum, so blocking the Sun's radiation goes a long way towards keeping the spacecraft cool.
Parker Solar Probe is also our first mission to be named after a living individual: Dr. Eugene Parker, famed solar physicist who in 1958 first predicted the existence of the solar wind.
"Solar wind" is what Dr. Parker dubbed the stream of charged particles that flows constantly from the Sun, bathing Earth and our entire solar system in the Sun’s magnetic fields. Parker Solar Probe’s flight right through the corona allows it to observe the birth of the very solar wind that Dr. Parker predicted, right as it speeds up and over the speed of sound.
The corona is where solar material is heated to millions of degrees and where the most extreme eruptions on the Sun occur, like solar flares and coronal mass ejections, which fling particles out to space at incredible speeds near the speed of light. These explosions can also spark space weather storms near Earth that can endanger satellites and astronauts, disrupt radio communications and, at their most severe, trigger power outages.
Thanks to Parker Solar Probe’s landmark mission, solar scientists will be able to see the objects of their study up close and personal for the very first time.
Up until now, all of our studies of the corona have been remote — that is, taken from a distance, rather than at the mysterious region itself. Scientists have been very creative to glean as much as possible from their remote data, but there’s nothing like actually sending a probe to the corona to see what’s going on.
And scientists aren’t the only ones along for the adventure — Parker Solar Probe holds a microchip carrying the names of more than 1.1 million people who signed up to send their name to the Sun. This summer, these names and 1,400 pounds of science equipment begin their journey to the center of our solar system.
Three months later in November 2018, Parker Solar Probe makes its first close approach to the Sun, and in December, it will send back the data. The corona is one of the last places in the solar system where no spacecraft has visited before; each observation Parker Solar Probe makes is a potential discovery.
Stay tuned — Parker Solar Probe is about to take flight.
Keep up with the latest on the mission at nasa.gov/solarprobe or follow us on Twitter and Facebook.
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Did you hear? New findings from our Mars Reconnaissance Orbiter (MRO) provide the strongest evidence yet that liquid water flows intermittently on present-day Mars.
Using an imaging spectrometer on MRO, we found hydrated minerals on slopes where mysterious streaks are seen on Mars. One thing that researchers noticed was that the darkish streaks appear to ebb and flow over time. During warm seasons, they darken and then fade in cooler seasons.
When discovered in 2010, these downhill flows known as recurring slope lineae (RSL) were thought to be related to liquid water. With the recent spectral detection of molecular water, we’re able to say it’s likely a shallow subsurface flow explains the darkening.
Mars is so cold, how could liquid water flow there? Great question! Since this liquid water is briny, the freezing point would be lower than that of pure water. Also, these saline slopes appear on Mars when temperatures are above minus 10 degrees Fahrenheit (minus 23 Celsius).
The dark, narrow streaks flowing downhill in the below image are roughly the length of a football field.
So there’s water, but how much? Currently we think this area has a very small amount of water, probably just enough to wet the top layer of the surface of Mars. The streaks are around four to five meters wide and 200 to 300 meters long.
Could humans drink this water? The salts in the water appear to be perchlorates, so you probably wouldn’t want to drink the water. It would most likely be very salty and would need to be purified before human consumption.
Perchlorate...What is that? A perchlorate is a salt that absorbs water from the air. Learn more about how it’s helping us unlock the mysteries of Mars in this video:
What’s next? We want to look for more locations where brine flows may occur. We have only covered 3% of Mars at resolutions high enough to see these features.
For more information on the Mars announcement, visit our Journey to Mars landing page. There is also a full recap of the press conference HERE, and a short recap below.
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From space, we can see a swirling brown mass making its way across the Atlantic – dust from the Sahara Desert – the largest hot desert in the world. It’s a normal phenomenon. Every year, winds carry millions of tons of dust from North Africa, usually during spring and summer in the Northern Hemisphere.
June 2020 has seen a massive plume of dust crossing the ocean. It’s so large it’s visible from one million miles away in space.
Dust clouds this large can affect air quality in regions where the dust arrives. The particles can also scatter the Sun’s light, making sunrises and sunsets more vibrant.
Dust particles in the air are also known as aerosols. We can measure aerosols, including dust, sea salt and smoke, from satellites and also use computer models to study how they move with the wind.
Following the transport of dust from space shows us how one of the driest places on Earth plays a role in fertilizing the Amazon rainforest. There are minerals in Saharan dust, like phosphorous, that exist in commercial fertilizers, helping seed the rainforest.
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On Monday, Oct. 17, Orbital ATK is scheduled to send new science experiments to the International Space Station.
The Cygnus spacecraft will blast off from our Wallops Flight Facility in Virginia at 7:40 p.m. EDT carrying more than 5,100 pounds of science, supplies and equipment.
Let’s take a look at a few of these experiments:
Low-temperature fires with no visible flames are known as cool flames. The Cool flames experiment examines these low-temperature combustion of droplets of a variety of fuels and additives in low gravity.
Why are we studying this? Data from this experiment could help scientists develop more efficient advanced engines and new fuels for use in space and on Earth.
Light plays a powerful role in our daily, or circadian, rhythms. Astronauts aboard the space station experience multiple cycles of light and dark every 24 hours, which, along with night shifts and the stresses of spaceflight, can affect their sleep quantity and quality.
The Lighting Effects investigation tests a new lighting system aboard the station designed to enhance crew health and keep their body clocks in proper sync with a more regular working and resting schedule.
Why are we studying this? Lighting manipulation has potential as a safe, non-pharmacological way to optimize sleep and circadian regulation on space missions. People on Earth, especially those who work night shifts, could also improve alertness and sleep by adjusting lighting for intensity and wavelength.
A user-friendly tablet app provides astronauts with a new and faster way to collect a wide variety of personal data. The EveryWear experiment tests use of this French-designed technology to record and transmit data on nutrition, sleep, exercise and medications. Astronauts use the app to complete questionnaires and keep medical and clinical logs. They wear a Smartshirt during exercise that records heart activity and body positions and transmits these data to the app. Finally, rather than manually recording everything that they eat, crew members scan barcodes on food packets to collect real-time nutritional data.
Why are we studying this? EveryWear has the potential for use in science experiments, biomedical support and technology demonstrations.
Outside the Earth’s magnetic field, astronauts are exposed to space radiation that can reduce immune response, increase cancer risk and interfere with electronics.
The Fast Neutron Spectrometer (FNS) experiment will help scientists understand high-energy neutrons, part of the radiation exposure experienced by crews during spaceflight, by studying a new technique to measure electrically neutral neutron particles.
Why are we studying this? This improved measurement will help protect crews on future exploration missions, like our journey to Mars.
Ahead of launch, there will be various opportunities to learn more about the mission:
What’s on Board Science Briefing Saturday, Oct. 15 at 4 p.m. EDT Scientists and researchers will discuss some of the experiments being delivered to the station. Watch HERE.
Prelaunch News Briefing Saturday, Oct. 15 at 6 p.m. EDT Mission managers will provide an overview and status of launch operations. Watch HERE.
LAUNCH!!! Monday, Oct. 17 coverage begins at 6:45 p.m. EDT Watch live coverage and liftoff! Launch is scheduled for 7:40 p.m. EDT. Watch HERE.
Facebook Live Starting at 7:25 p.m. EDT you can stream live coverage of the launch on NASA’s Facebook page. Watch HERE.
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Pi is the ratio of a circle’s circumference to its diameter. It is also an irrational number, meaning its decimal representation never ends and it never repeats. Pi has been calculated to more than one trillion digits,
March 14 marks the yearly celebration of the mathematical constant pi. More than just a number for mathematicians, pi has all sorts of applications in the real world, including on our missions. And as a holiday that encourages more than a little creativity – whether it’s making pi-themed pies or reciting from memory as many of the never-ending decimals of pi as possible (the record is 70,030 digits).
While 3.14 is often a precise enough approximation, hence the celebration occurring on March 14, or 3/14 (when written in standard U.S. month/day format), the first known celebration occurred in 1988, and in 2009, the U.S. House of Representatives passed a resolution designating March 14 as Pi Day and encouraging teachers and students to celebrate the day with activities that teach students about pi.
Below are some ways scientists and engineers used pi.
Propulsion engineers use pi to determine the volume and surface area of propellant tanks. It’s how they size tanks and determine liquid propellant volume to keep spacecraft going and making new discoveries.
A technique called pi transfer uses the gravity of Titan’s moon, Titan, to alter the orbit of the Cassini spacecraft so it can obtain different perspectives of the ringed planet.
Using pi and the asteroid’s mass, scientists can calculate the density of an asteroid and learn what it’s made of--ice, iron, rock, etc.
knowing the circumference, diameter and surface area of a crater can tell scientists a lot about the asteroid or meteor that may have carved it out.
Exoplanets are planets that orbit suns other than our own and scientists use pi to search for them. The first step is determining how much the light curve of a planet’s sun dims when a suspected planets passes in front of it.
Want to learn more about Pi? Visit us on Pinterest at: https://www.pinterest.com/nasa/pi-day/
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Are you scared about going up into space?
I’m not scared, but I have a healthy amount of nervousness because I don’t know exactly what to expect. I have a lot of great advice, but you don’t know until you actually get there.
It’s World Photography Day!
To celebrate the occasion, we’re sharing photos from our photographers that chronicle what's making news across the agency - from launches and landings to important science announcements to images taken from the vantage point of space.
Take a look!
Posted to Twitter by European Space Agency astronaut Alexander Gerst, this image shows our planet's Moon as seen from the International Space Station. As he said in the tweet, "By orbiting the Earth almost 16 times per day, the #ISS crew travel the distance to the Moon and back – every day. #Horizons"
The International Space Station is the world's only orbital laboratory. An international partnership of space agencies provides and operates the elements of the station. The principals are the space agencies of the United States, Russia, Europe, Japan and Canada.
Photo Credit: NASA
NASA astronaut Ricky Arnold took this selfie during the May 16, 2018, spacewalk to perform upgrades on the International Space Station, saying in a tweet "An amazing view of our one and only planet."
Arnold and fellow spacewalker Drew Feustel donned spacesuits and worked for more than six hours outside the station to finish upgrading cooling system hardware and install new and updated communications equipment for future dockings of commercial crew spacecraft.
Photo Credit: NASA
The mobile service tower at Space Launch Complex-3 is rolled back to reveal the United Launch Alliance Atlas-V rocket with NASA’s InSight spacecraft onboard, Friday, May 4, 2018, at Vandenberg Air Force Base in California. InSight, short for Interior Exploration using Seismic Investigations, Geodesy and Heat Transport, is a Mars lander designed to study the "inner space" of Mars: its crust, mantle, and core.
Photo Credit: NASA/Bill Ingalls
The United Launch Alliance Delta IV Heavy rocket is seen in this long exposure photograph as it launches NASA's Parker Solar Probe to touch the Sun, Sunday, Aug. 12, 2018 from Launch Complex 37 at Cape Canaveral Air Force Station, Florida. Parker Solar Probe is humanity’s first-ever mission into a part of the Sun’s atmosphere called the corona. Here it will directly explore solar processes that are key to understanding and forecasting space weather events that can impact life on Earth.
Photo Credit: NASA/Bill Ingalls
Expedition 56 flight engineer Serena Auñón-Chancellor of NASA waves farewell to family and friends as she and Soyuz Commander Sergey Prokopyev of Roscosmos and flight engineer Alexander Gerst of European Space Agency depart Building 254 for the launch pad a few hours before their launch, Wednesday, June 6, 2018 at the Baikonur Cosmodrome in Kazakhstan. Auñón-Chancellor, Prokopyev, and Gerst launched aboard the Soyuz MS-09 spacecraft at 7:12am EDT (5:12pm Baikonur time) on June 6 to begin their journey to the International Space Station.
Photo Credit: NASA/Victor Zelentsov
The Soyuz MS-09 rocket is launched with Expedition 56 Soyuz Commander Sergey Prokopyev of Roscosmos, flight engineer Serena Auñón-Chancellor of NASA, and flight engineer Alexander Gerst of ESA (European Space Agency), Wednesday, June 6, 2018 at the Baikonur Cosmodrome in Kazakhstan. Prokopyev, Auñón-Chancellor, and Gerst will spend the next six months living and working aboard the International Space Station.
Photo Credit: NASA/Joel Kowsky
In an effort to improve fuel efficiency, NASA and the aircraft industry are rethinking aircraft design. Inside the 8’ x 6’ wind tunnel at NASA Glenn Research Center, engineers tested a fan and inlet design, commonly called a propulsor, which could use four to eight percent less fuel than today’s advanced aircraft.
Photo Credit: NASA/Rami Daud
SOFIA, the Stratospheric Observatory for Infrared Astronomy, is the largest airborne observatory in the world, capable of making observations that are impossible for even the largest and highest ground-based telescopes. During its lifetime, SOFIA also will inspire the development of new scientific instrumentation and foster the education of young scientists and engineers.
Photo Credit: NASA/SOFIA/Waynne Williams
A close-up view of crystals that developed on materials exposed to conditions on Venus in NASA Glenn’s Extreme Environments Rig. This unique and world class ground-based test rig can accurately most simulate atmospheric conditions for any planet or moon in the solar system and beyond.
Photo Credit: NASA/Bridget Caswell
A close-up view of 3-D printed honeycomb patterns made in NASA Glenn manufacturing lab using a method called binder jetting. The honeycomb structures can find use in several applications such as a strong core for lightweight sandwich panels, acoustic panels for noise attenuation and innovative cellular structures.
Photo Credit: NASA/Marvin Smith
To see even more photos of our space exploration efforts, visit us on Flickr: https://www.flickr.com/photos/nasahqphoto/.
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Our Answer Time with flight directors Diane Dailey and Chloe Mehring is now scheduled for Dec. 7 at 12 p.m. EST (9 a.m. PST). Join us then to see your questions answered!
In the latest installment of our First Woman graphic novel series, we see Commander Callie Rodriguez embark on the next phase of her trailblazing journey, as she leaves the Moon to take the helm at Mission Control.
Flight directors work in Mission Control to oversee operations of the International Space Station and Artemis missions to the Moon. They have a unique, overarching perspective focused on integration between all the systems that make a mission a success – flight directors have to learn a little about a lot.
Diane Dailey and Chloe Mehring were selected as flight directors in 2021. They’ll be taking your questions about what it’s like to lead teams of flight controllers, engineers, and countless professionals, both agencywide and internationally, in an Answer Time session on Nov. 28, 2023, from noon to 1 p.m. EST (9-10 a.m. PST) here on our Tumblr!
Like Callie, how did their unique backgrounds and previous experience, prepare them for this role? What are they excited about as we return to the Moon?
🚨 Ask your questions now by visiting https://nasa.tumblr.com/ask.
Diane Dailey started her career at NASA in 2006 in the space station Environmental Control and Life Support Systems (ECLSS) group. As an ECLSS flight controller, she logged more than 1,700 hours of console time, supported 10 space shuttle missions, and led the ECLSS team. She transitioned to the Integration and System Engineering (ISE) group, where she was the lead flight controller for the 10th and 21st Commercial Resupply Services missions for SpaceX. In addition, she was the ISE lead for NASA’s SpaceX Demo-1 and Demo-2 crew spacecraft test flights. Dailey was also a capsule communicator (Capcom) controller and instructor.
She was selected as a flight director in 2021 and chose her call sign of “Horizon Flight” during her first shift in November of that year. She has since served as the Lead Flight director for the ISS Expedition 68, led the development of a contingency spacewalk, and led a spacewalk in June to install a new solar array on the space station. She is currently working on development of the upcoming Artemis II mission and the Human Lander Systems which will return humanity to the moon. Dailey was raised in Lubbock, Texas, and graduated from Texas A&M University in College Station with a bachelor’s degree in biomedical engineering. She is married and a mother of two. She enjoys cooking, traveling, and spending time outdoors.
Chloe Mehring started her NASA career in 2008 in the Flight Operations’ propulsion systems group and supported 11 space shuttle missions. She served as propulsion support officer for Exploration Flight Test-1, the first test flight of the Orion spacecraft that will be used for Artemis missions to the Moon. Mehring was also a lead NASA propulsion officer for SpaceX’s Crew Dragon spacecraft and served as backup lead for the Boeing Starliner spacecraft. She was accepted into the 2021 Flight Director class and worked her first shift in February 2022, taking on the call sign “Lion Flight”. Since becoming certified, she has worked over 100 shifts, lead the NG-17 cargo resupply mission team, and executed two United States spacewalks within 10 days of each other. She became certified as a Boeing Starliner Flight Director, sat console for the unmanned test flight in May 2022 (OFT-2) and will be leading the undock team for the first crewed mission on Starliner in the spring of next year. She originally is from Mifflinville, Pennsylvania, and graduated with a bachelor’s degree in aerospace engineering from The Pennsylvania State University in State College. She is a wife, a mom to one boy, and she enjoys fitness, cooking and gardening.
“I grew up in a small town where working at NASA was unheard of. I worked hard, persevered, and eventually made it to where I am despite many obstacles along the way. Through that process, never forget to enjoy what you are doing. It is my passion for space exploration that has helped me keep motivated and that brings me happiness every day that I come to work.”
—Farah Alibay, Engineer
“I do a rather unusual sport for fun—mountain unicycling. I love it because it's incredibly challenging, requiring strength, stamina and focus. I also enjoy surfing, caving, flying and teaching a space camp in South Korea each summer.”
—Morgan Cable, Research Scientist
“I do SCIENCE! No, seriously, I travel and explore for fun. It's a fascinating world and I can't get enough of it. But I'm always doing "science" of some kind no matter where I am. I love it —— can't escape it and wouldn't want to. Eat. Breathe. Do Science. Sleep later.”
—Derek Pitts, Solar System Ambassador
“It was the summer of 2013, when I was the media rep for the Voyager mission. I was with Ed Stone, the mission's project scientist, when he came to the conclusion that Voyager 1 had crossed the threshold into interstellar space. For the first time, a human—made object flew beyond the plasma bubble our sun blows around itself. Voyager 1 is now bathed in the remnants of the explosions of other stars. I really appreciated seeing the scientific process—and Ed’s mind—at work.”
—Jia-Rui Cook, Supervisor of News Events and Projects at JPL
"From an academic point of view, it's all about doing well in math and science. However, there is absolutely no substitute for being determined. Being determined to be successful is at least half the game."
— James Green, Director of NASA’s Planetary Science Division
“Opportunity [rover] was designed to live for 90 days in the harsh Martian environment but she is still exploring now 11 years later! Because of her age, software and hardware components are degrading on the vehicle and more recently, the flash memory. I had the incredible opportunity to lead the team to figure out how to solve these flash problems and get Opportunity back into an operational state.”
—Bekah Sosland Siegfriedt, Engineer
"When you encounter difficulties or failures, do not take no for an answer. If you truly want to accomplish something and are passionate about it, you need to believe in yourself, put your mind to it, and you can accomplish anything! I failed A LOT, but I NEVER GAVE UP. It took three years and over 150 applications to NASA before I received my first internship"
—Kevin DeBruin, Systems Engineer
"The great thing about being at NASA is that there are jobs for all types —— whether it's engineering, science, finance, communication, law, and so forth. All of them are necessary and all of them involve working on some of the coolest things humans can do. So pick the area you love, but also know that you can still be a part of exploring the universe."
—Bobak Ferdowsi, Systems Engineer
“When my older sister claimed she would one day be an astronaut, on the heels of Sally Ride's launch into space, I made the same claim. Though, it was more because I dreamed to be just like my sister! In turned out that she outgrew the crazy dream, and my desire only got stronger.”
—Mamta Patel Nagaraja, Science Communications
“Body-building is a favorite pasttime: it's a great stress reliever and a hobby that I can take with me when I travel for work or for pleasure. It's also a great expression of responsibility and ownership: What I've accomplished is due entirely to my dedication and choices, and it belongs to no one but me.”
—Troy Hudson, Instrument System Engineer
Check out the full version of Ten Things to Know HERE.
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