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Celebrating the 100th Birthday of Our National Park Service!

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When Yellowstone National Park became the first national park in the United States in 1872, there was no one to oversee its maintenance. From this beginning, a steady movement grew to embrace the country’s unique natural beauties.

Today, we can witness these natural beauties from space, courtesy of Expedition 48 commander, astronaut Jeff Williams, from aboard the International Space Station. 

Death Valley National Park

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This is the commander’s view of Death Valley, taken from the station in early August 2016.

Everglades National Park

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Williams captured the beauty of Florida Bay in the  Everglades National Park, focusing on  the Crocodile Sanctuary, a protected wildlife area. 

Glacier Bay

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Sail down the Ice Ages at Glacier Bay National Park and Preserve.  From Tarr Inlet Tidewater glacier to Sitakaday Narrows.

Grand Canyon National Park

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Grand indeed, here’s the Grand Canyon National Park seen from the International Space Station. Even from space, it took 13 pictures merged together to capture all 277 miles in this fly over.

Yosemite National Park

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From visionary leaders of the movement, who worked to create and manage national parks like Teddy Roosevelt to Charles Young, the first African American park superintendent, Congress heeded the call and passed the National Park Service Organic Act, creating the National Park Service (NPS). One hundred years ago today, on August 25, 1916, President Woodrow Wilson signed the bill into law. 

Continue to explore the America’s natural beauty and unique features with “Exploring America’s National Parks,” a feature story from our Earth Observatory website and on Tumblr at @americasgreatoutdoors.

Make sure to follow us on Tumblr for your regular dose of space: http://nasa.tumblr.com

More Posts from Nasa and Others

8 years ago

Morning Jeanette. My 10 year son old recently told me his dream job that he would love to do is to become an Astronaut or be apart of a team that builds a spaceship. What is your best suggestion for me as his parent to help expose him to know what life is like for an astronaut and how much work did you put in your education to help you solidify your career that I can use as encouragement for him? Thanks again and you're AWESOME.

I spent 11 and a half years in school after high school, so I tell this to students because it takes a lot of investment in educating yourself. Then even beyond that, gaining experiences that are meaningful. After graduate school, working at Ford Motor Company and the CIA really taught me how to be a detailed scientist as well as working operationally in the field. I also did internships to help hone and sharpen skills as an engineer. I was happy with my career, and then I applied.


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8 years ago

Over a 22-hour period (May 2-3, 2017), strands of plasma at the sun’s edge shifted and twisted back and forth. In this close-up, the strands are being manipulated by strong magnetic forces associated with active regions on the sun. 

To give a sense of scale, the strands hover above the sun more than several times the size of Earth! The images were taken in a wavelength of extreme ultraviolet light. 

Learn more: http://go.nasa.gov/2qT2C4B

Credits: NASA/SDO

Make sure to follow us on Tumblr for your regular dose of space: http://nasa.tumblr.com


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1 year ago

Black Hole Friday Deals!

Ad-style comic titled “Black Hole Friday Sales.” Middle of the page “Out-of-this-world deals!” Scattered throughout are illustrated “coupons.” From top to bottom, the taglines read: “Free travel guide to planning your next black hole vacation (when you purchase a cosmic timeshare)”; “Add some planets to your system with this exoplanet bundle!”; “Accretion disk skirt: Be the center of attention. Made of 100% recycled material”; “Standard candles: Reliably bright. Non-scented. Long-lasting burn”; Stephan’s Quintet: A 5-for-1 galactic deal”; “Black hole merger: Get ready to ride this (gravitational) wave before this deal ends”; “Widow system: Act quickly before these stars disappear!”; “Black holes: the perfect (permanent) storage solution”; “Spaghettify! Noodles: Feed the black hole of your stomach”; and “Ready Space Player One. Limited time offer: Roman Space Observer Black Hole DLC! This weekend only!” At the bottom “Get these deals before they disappear beyond the point of no return."

Get these deals before they are sucked into a black hole and gone forever! This “Black Hole Friday,” we have some cosmic savings that are sure to be out of this world.

Your classic black holes — the ultimate storage solution.

Galactic 5-for-1 special! Learn more about Stephan’s Quintet.

Limited-time offer game DLC! Try your hand at the Roman Space Observer Video Game, Black Hole edition, available this weekend only.

Standard candles: Exploding stars that are reliably bright. Multi-functional — can be used to measure distances in space!

Feed the black hole in your stomach. Spaghettification’s on the menu.

Act quickly before the stars in this widow system are gone!

Add some planets to your solar system! Grab our Exoplanet Bundle.

Get ready to ride this (gravitational) wave before this Black Hole Merger ends!

Be the center of attention in this stylish accretion disk skirt. Made of 100% recycled cosmic material.

Should you ever travel to a black hole? No. But if you do, here’s a free guide to make your trip as safe* as possible. *Note: black holes are never safe. 

Make sure to follow us on Tumblr for your regular dose of space!


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7 years ago

See Why Our Researchers Explore Earth's Extreme and Remote Environments

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When we talk about exploration in far-flung places, you might think of space telescopes taking images of planets outside our solar system, or astronauts floating on the International Space Station. 

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But did you know our researchers travel to some of Earth's most inaccessible and dangerous places, too? 

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Two scientists working with the ICESat-2 mission just finished a trek from the South Pole to latitude 88 south, a journey of about 450 miles. They had to travel during the Antarctic summer - the region's warmest time, with near-constant sunshine - but the trek was still over solid ice and snow. 

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The trip lasted 14 days, and was an important part of a process known as calibration and validation. ICESat-2 will launch this fall, and the team was taking extremely precise elevation measurements that will be used to validate those taken by the satellite. 

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Sometimes our research in Earth's remote regions helps us understand even farther-flung locations…like other planets. 

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Geologic features on Mars look very similar to islands and landforms created by volcanoes here on our home planet. 

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As hot jets of magma make their way to Earth's surface, they create new rocks and land - a process that may have taken place on Mars and the Moon.

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In 2015, our researchers walked on newly cooled lava on the Holuhraun volcano in Iceland to take measurements of the landscape, in order to understand similar processes on other rocky bodies in our solar system.

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There may not be flowing lava in the mangrove forests in Gabon, but our researchers have to brave mosquitoes and tree roots that reach up to 15-foot high as they study carbon storage in the vegetation there.

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The scientists take some measurements from airplanes, but they also have to gather data from the ground in one our of planet's most pristine rainforests, climbing over and around roots that can grow taller than people. They use these measurements to create a 3-D map of the ecosystem, which helps them understand how much carbon in stored in the plants. 

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You can follow our treks to Earth’s most extreme locales on our Earth Expeditions blog.

Make sure to follow us on Tumblr for your regular dose of space: http://nasa.tumblr.com


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4 years ago

what is the biggest challenge in the preparation of such a mission and how do you handle it?


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8 years ago

Hi Jeanette, I want ask you wich was your first employment? Have a good day

I was 14 years old, and I worked at United Way doing data entry. They were going from the card files to all digital, and I could only work in the summer.


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7 years ago

The Moon in Motion

Happy New Year! And happy supermoon! Tonight, the Moon will appear extra big and bright to welcome us into 2018 – about 6% bigger and 14% brighter than the average full Moon. And how do we know that? Well, each fall, our science visualizer Ernie Wright uses data from the Lunar Reconnaissance Orbiter (LRO) to render over a quarter of a million images of the Moon. He combines these images into an interactive visualization, Moon Phase and Libration, which depicts the Moon at every day and hour for the coming year. 

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Want to see what the Moon will look like on your birthday this year? Just put in the date, and even the hour (in Universal Time) you were born to see your birthday Moon.

Our Moon is quite dynamic. In addition to Moon phases, our Moon appears to get bigger and smaller throughout the year, and it wobbles! Or at least it looks that way to us on Earth. This wobbling is called libration, from the Latin for ‘balance scale’ (libra). Wright relies on LRO maps of the Moon and NASA orbit calculations to create the most accurate depiction of the 6 ways our Moon moves from our perspective.

1. Phases

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The Moon phases we see on Earth are caused by the changing positions of the Earth and Moon relative to the Sun. The Sun always illuminates half of the Moon, but we see changing shapes as the Moon revolves around the Earth. Wright uses a software library called SPICE to calculate the position and orientation of the Moon and Earth at every moment of the year. With his visualization, you can input any day and time of the year and see what the Moon will look like!

2. Shape of the Moon

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Check out that crater detail! The Moon is not a smooth sphere. It’s covered in mountains and valleys and thanks to LRO, we know the shape of the Moon better than any other celestial body in the universe. To get the most accurate depiction possible of where the sunlight falls on the lunar surface throughout the month, Wright uses the same graphics software used by Hollywood design studios, including Pixar, and a method called ‘raytracing’ to calculate the intricate patterns of light and shadow on the Moon’s surface, and he checks the accuracy of his renders against photographs of the Moon he takes through his own telescope.

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3. Apparent Size 

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The Moon Phase and Libration visualization shows you the apparent size of the Moon. The Moon’s orbit is elliptical, instead of circular - so sometimes it is closer to the Earth and sometimes it is farther. You’ve probably heard the term “supermoon.” This describes a full Moon at or near perigee (the point when the Moon is closest to the Earth in its orbit). A supermoon can appear up to 14% bigger and brighter than a full Moon at apogee (the point when the Moon is farthest from the Earth in its orbit). 

Our supermoon tonight is a full Moon very close to perigee, and will appear to be about 14% bigger than the July 27 full Moon, the smallest full Moon of 2018, occurring at apogee. Input those dates into the Moon Phase and Libration visualization to see this difference in apparent size!

4. East-West Libration

Over a month, the Moon appears to nod, twist, and roll. The east-west motion, called ‘libration in longitude’, is another effect of the Moon’s elliptical orbital path. As the Moon travels around the Earth, it goes faster or slower, depending on how close it is to the Earth. When the Moon gets close to the Earth, it speeds up thanks to an additional pull from Earth’s gravity. Then it slows down, when it’s farther from the Earth. While this speed in orbital motion changes, the rotational speed of the Moon stays constant. 

This means that when the Moon moves faster around the Earth, the Moon itself doesn’t rotate quite enough to keep the same exact side facing us and we get to see a little more of the eastern side of the Moon. When the Moon moves more slowly around the Earth, its rotation gets a little ahead, and we see a bit more of its western side.

5. North-South Libration

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The Moon also appears to nod, as if it were saying “yes,” a motion called ‘libration in latitude’. This is caused by the 5 degree tilt of the Moon’s orbit around the Earth. Sometimes the Moon is above the Earth’s northern hemisphere and sometimes it’s below the Earth’s southern hemisphere, and this lets us occasionally see slightly more of the northern or southern hemispheres of the Moon! 

6. Axis Angle

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Finally, the Moon appears to tilt back and forth like a metronome. The tilt of the Moon’s orbit contributes to this, but it’s mostly because of the 23.5 degree tilt of our own observing platform, the Earth. Imagine standing sideways on a ramp. Look left, and the ramp slopes up. Look right and the ramp slopes down. 

Now look in front of you. The horizon will look higher on the right, lower on the left (try this by tilting your head left). But if you turn around, the horizon appears to tilt the opposite way (tilt your head to the right). The tilted platform of the Earth works the same way as we watch the Moon. Every two weeks we have to look in the opposite direction to see the Moon, and the ground beneath our feet is then tilted the opposite way as well.

So put this all together, and you get this:

Beautiful isn’t it? See if you can notice these phenomena when you observe the Moon. And keep coming back all year to check on the Moon’s changing appearance and help plan your observing sessions.

Follow @NASAMoon on Twitter to keep up with the latest lunar updates. 

Make sure to follow us on Tumblr for your regular dose of space: http://nasa.tumblr.com.


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8 years ago

Solar System: Life Among the Stars

Let us lead you on a journey of our solar system. Here are some things to know this week:

1. Amateur" Means "One Who Loves"

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We release thousands of breathtaking solar system images every year and not all of them are the exclusive result of work by scientists. Amateur image processors around the world take raw data from deep space missions and turn it into striking visuals.

Amateur images from Cassini

Get current unprocessed images 

2. Prepare to Weigh Anchor

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OSIRIS-REx, our first spacecraft destined to rendezvous with, study and return a sample of an asteroid, will launch. The mission to asteroid Bennu will yield the largest sample returned from space since the Apollo era. Tune in four our media briefing about OSIRIS-REx for 2 p.m. EDT on Aug. 17.

Learn more and tune in.

3. Out for a Walk

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Join us for live coverage on Aug. 19 as our astronauts Jeff Williams and Kate Rubins install a new gateway for American commercial crew spacecraft at the International Space Station.

Live coverage of the spacewalk.

4. The Weather Out There

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Aug. 17 marks 50 years since the launch of Pioneer 7, a robotic spacecraft that lived up to its name by exploring the solar magnetic field, the solar wind and cosmic rays in deep space. Along with Pioneers 6, 8, and 9, the spacecraft formed a ring of solar weather stations spaced  along Earth's orbit. Measurements by the craft were used to predict solar storms for organizations ranging from commercial airlines to power companies.

Learn more.

5. Destination: The Red Planet

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The European Space Agency's ExoMars/Trace Gas Orbiter mission to Mars performed a critical engine burn to keep it on course. The maneuver was a success, and ExoMars remains on target for an October arrival.

Learn more.

Discover the full list of 10 things to know about our solar system this week HERE.

Make sure to follow us on Tumblr for your regular dose of space: http://nasa.tumblr.com


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5 years ago
“I Felt I Was An Accepted Team Member. It Was A Great Experience And A Unique Opportunity.”

“I felt I was an accepted team member. It was a great experience and a unique opportunity.”

Ruth Ann Strunk, a math major, was hired in 1968 at NASA’s Kennedy Space Center as an acceptance checkout equipment software engineer. She monitored the work of contractors who wrote the computer programs designed to check out the command module, lunar module and the Apollo J mission experiments. These experiments were conducted aboard the service modules on Apollo 15, 16 and 17 by the command module pilots. 

“I am proud of the advancement and the number of women who are working and enjoy working here,” Strunk said. “It was a wonderful opportunity NASA afforded me during Apollo that I have been able to use ever since.”

Remember the women who made #Apollo50th possible.

Follow Women@NASA for more stories like this one, and make sure to follow us on Tumblr for your regular dose of space: http://nasa.tumblr.com.


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6 years ago

Discover NASA Technology in Your Life

Have you ever wondered how space exploration impacts you? “Spinoffs” are products and services developed from NASA technology or improved through NASA partnerships. These innovations—first created to help explore space and study Earth—are responsible for billions of dollars in both revenue and saved costs, tens of thousands of jobs created, and for changing the world around us.

Our NASA Home & City interactive web platform allows you to explore some of the spinoff technologies you can find in your everyday life, demonstrating the wider benefits of America’s investments in its space program.

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Here are the seven most unexpected items you can find in your homes and cities which were “spun off” from technologies to enable the study and exploration of space.

1. Wireless Headsets

“That’s one small step for man, one giant leap for mankind.” On July 20, 1969, millions were glued to their television sets when NASA astronaut Neil Armstrong offered these famous words via live broadcast, upon becoming the first man to ever step foot on the Moon. This historic transmission was delivered from Armstrong’s headset to the headsets of Mission Control personnel at NASA, and then on to the world.

Improved by the technology that carried Neil Armstrong’s words, more compact and comfortable headsets were developed for airline pilots in the 1960s and '70s. Today those advancements continue to evolve in all forms of communications and telephone equipment. Mobile headsets provide greater efficiency and flexibility for everyone from professionals to video gamers.

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2. Water Quality Monitoring

On the International Space Station very little goes to waste. This includes water, which is recovered from every possible source, cleaned and recycled.

Following our development of a simplified bacteria test for water quality on the space station, one engineer created a foundation to distribute test kits suitable for use in rural communities around the world. Water contamination is still a major problem in many places, and the test helps local communities and governments obtain and share water quality data using a smartphone app.

3. Skin Cream

We know that on Earth, gravity is a constant. For astronauts in orbit, however, it’s a different story—and according to a scientist at NASA's Johnson Space Center, studying what happens to bodies in microgravity “can lead to significant new discoveries in human biology for the benefit of humankind.”

As our researchers experimented with replicating microgravity conditions in the lab, they invented a bioreactor that could help simulate conditions that human cells experience in a space-like environment. This allowed them to perform tissue-growth experiments on the ground and in space, and eventually, to consider the question of how to protect human cells from the toxic effects of long-duration space missions.

Now, thanks to this NASA-patented bioreactor, one company uses agents from human cells that produce collagen to enrich its skin cream products. Lab tests have shown the rejuvenating cream to increase skin moisture content by 76 percent and reduce darkness and wrinkles by more than 50 percent.

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4. Acoustic Guitars

From its start, NASA has innovated in all branches of aeronautics, which has led to numerous advances in helicopters, including ways to limit vibrations as they fly and advanced composites to build tougher, safer vehicles. 

An industrious helicopter manufacturer that built up its expertise with NASA contracts later used the same special vibration analysis equipment to enhance the sound of acoustic guitars. The company also built the body out of a fiberglass composite used for rotor blades. The resulting instruments are stronger and less expensive to produce than those of traditional rosewood and produce a rich, full sound.

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5. Tiny [Mobile] Homes

While the International Space Station is the largest spacecraft ever flown—it's about the size of a football field—living and working space for astronauts is still at a premium. NASA created a studio called the Habitability Design Center to experiment with the interior design of spacecraft to maximize usable space and make scientific research as efficient and effective as possible.

An architect who helped NASA design the interior of the International Space Station launched a company specializing in compact trailers for camping and exploration. Suitable for a full hookup campsite or going completely off-grid, the company's flagship trailer can accommodate two adults and two children for sleeping and can be customized with a range of features including a shower, refrigerator, toilet, and more. And it all fits into a unit light enough to be towed by a four-cylinder car.

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6. Blue Light Blocking Ski Goggles

Skiers and snowboarders face extremely bright sunlight, especially when it's reflected off the white snow. That can make it hard to see, and not just because of glare. The blue in sunlight makes it more difficult to discern colors at the edge of the visible light spectrum, like reds. A NASA-designed filter used in snow goggles helps block up to 95 percent of blue light, making it easier for people on the slopes to see the terrain clearly.

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7. Implants for the Hearing Impaired

Hearing aids, which make sound louder, can only do so much for those who were born or have become deaf. Cochlear implants work in a completely different way, converting sound into digital signals that can be processed by the brain.  And the technology traces back in part to a NASA space shuttle engineer who used skills in electronics instrumentation and his own experiences with hearing loss to develop an early version of the life-changing device.

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These are just a few examples of thousands of NASA Spinoff and dual-purpose technologies benefiting the world around us. 

Trace space back to you and visit NASA Home and City today!

Make sure to follow us on Tumblr for your regular dose of space: http://nasa.tumblr.com.  


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