Eight Things To Know About Our Flying Observatory

Polar Vortex spills Arctic weather into North America

What in the world is a polar vortex? On Earth, it’s a large area of low pressure and extremely cold air that usually swirls over the Arctic, with strong counter-clockwise winds that trap the cold around the Pole. But disturbances in the jet stream and the intrusion of warmer mid-latitude air masses can disturb this polar vortex and make it unstable, sending Arctic air south into middle latitudes.

That has been the case in late January 2019 as frigid weather moves across the Midwest and Northern Plains of the United States, as well as interior Canada. Forecasters are predicting that air temperatures in parts of the continental United States will drop to their lowest levels since at least 1994, with the potential to break all-time record lows for January 30 and 31. With clear skies, steady winds, and snow cover on the ground, as many as 90 million Americans could experience temperatures at or below 0 degrees Fahrenheit (-18° Celsius), according to the National Weather Service (NWS).

The Goddard Earth Observing System Model above shows this air temperature movement at 2 meters (around 6.5 feet above the ground) from January 23-29. You can see some portions of the Arctic are close to the freezing point—significantly warmer than usual for the dark of mid-winter—while masses of cooler air plunge toward the interior of North America.

Science Behind the Polar Vortex / Credit: NOAA

Meteorologists predicted that steady northwest winds (10 to 20 miles per hour) were likely to add to the misery, causing dangerous wind chills below -40°F (-40°C) in portions of 12 states. A wind chill of -20°F can cause frostbite in as little as 30 minutes, according to the weather service.

Not sure how cold that is? Check out the low temperatures on January 30, 2019 in some of the coldest places on Earth—and a planetary neighbor:

 -46°F (-43°C) -- Chesterfield, Newfoundland

-36°F (-33°C) -- Yukon Territory, Canada

-33°F (-27°C) -- Fargo, North Dakota (Within the Polar Vortex)

-28°F (-18°C) -- Minneapolis, Minnesota (Within the Polar Vortex)

-27°F (-33°C) -- Amundsen-Scott South Pole Station, Antarctica

-24°F (-31°C) -- Chicago, Illinois (Within the Polar Vortex)

-15°F (5°C) -- Barrow, Alaska 

-99°F (-73°C) -- Mars

Learn more about the science behind the polar vortex and how NASA is modeling it here: https://go.nasa.gov/2Wtmb43.

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Confirmed: Summer 2023 Hottest in NASA’s Record

All three months of summer 2023 broke records. July 2023 was the hottest month ever recorded, and the hottest July. June 2023 was the hottest June, and August 2023 was the hottest August.

NASA’s temperature record, GISTEMP, starts in 1880, when consistent, modern recordkeeping became possible. Our record uses millions of measurements of surface temperature from weather stations, ships and ocean buoys, and Antarctic research stations. Other agencies and organizations who keep similar global temperature records find the same pattern of long-term warming.

Global temperatures are rising from increased emissions of greenhouse gasses, like carbon dioxide and methane. Over the last 200 years, humans have raised atmospheric CO2 by nearly 50%, primarily through the burning of fossil fuels.

Drivers of climate change, both natural and human-caused, leave distinct fingerprints. Through observations and modeling, NASA researchers confirm that the current warming is the result of human activities, particularly increased greenhouse gas emissions.

On Top of The World – Literally

What’s one perk about applying to #BeAnAstronaut? You’re one step closer to being on top of the world.

Part of the job of a NASA astronaut is a task called spacewalking. Spacewalking refers to any time an astronaut gets out of a vehicle while in space; it is performed for many reasons such as completing repairs outside the International Space Station, conducting science experiments and testing new equipment. 

Spacewalking can last anywhere from five to eight hours, and for that reason, astronauts’ spacesuits are more like mini-spacecraft than uniforms! Inside spacesuits, astronauts have the oxygen they need to breathe, water to drink and a bathroom! 

Spacesuits also protect astronauts from the extreme environment of space. In Earth orbit, conditions can be as cold as minus 250 degrees Fahrenheit. In the sunlight, they can be as hot as 250 degrees. A spacesuit protects astronauts from those extreme temperatures.

To stay safe during spacewalks, astronauts are tethered to the International Space Station. The tethers, like ropes, are hooked to the astronaut and the space station – ensuring the astronaut does not float away into space. 

Spacewalking can be a demanding task. Astronauts can burn anywhere from ~1500-2500 calories during one full assignment. That’s about equal to running 2/3 of a marathon. 

Does spacewalking sound like something you’d be interested in? If so, you might want to APPLY to #BeAnAstronaut! Applications are open until March 31. Don’t miss your chance to! 

Want to learn more about what it takes to be an astronaut? Or, maybe you just want more epic images. Either way, check out nasa.gov/astronauts for all your NASA astronaut needs!

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

Hello there 👋

Welcome back to the third week of Mindful Mondays. It’s very good to see you 🧘

Here is another installment of mindfulness to get the first day of your week well underway, and underway well. Experience the phases of the Moon as you turn on, tune in, and space out to relaxing music and stunning ultra-high-definition visuals of our cosmic neighborhood… 🌌

Sounds good, right? Of course it does. Mysterious, even. You can watch even more Space Out episodes on NASA+, a new no-cost, ad-free streaming service.

Why not give it a try? There is nothing to lose, everything to gain. Because just a few minutes this Monday morning can make all the difference to your entire week, as @nasa helps to bring mindfulness from the stars and straight to you. 

🧘WATCH: Space Out with NASA: Moon Phase 12/11 at 1pm EST🧘

Cascading loops on the surface of the sun highlight an active region that had just rotated into view of our solar-observing spacecraft. We have observed this phenomenon numerous times, but this one was one of the longest and clearest sequences we have seen in years. 

The bright loops are actually charged particles spinning along the magnetic field lines! The action was captured in a combination of two wavelengths of extreme ultraviolet light over a period of about 20 hours. 

Take a closer look: https://sdo.gsfc.nasa.gov/gallery/potw/item/798

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

Bringing The Space Station Perspective to Earth in VR!

Only a few humans ever get to experience the awe-inspiring vantage point provided by the space station, but a new virtual reality (VR) experience, Space Explorers: The ISS Experience (ISS Experience), attempts to bring this perspective back to Earth for the rest of us.

Partnering with the ISS National Lab and Time, a team from Felix and Paul Studios launched a high quality 360 degree camera to space to help tell the story of science and life aboard the orbiting laboratory.

The project, currently in the process of being filmed by the station astronauts themselves, serves as an outreach project as well a technology demonstration, testing the limits of filming in the harsh environment of space.

The camera flew to the station on 16th SpaceX commercial resupply services mission in December 2018 along with a number of other scientific experiments.

Since then, the team has recorded many moments, including the SPHERES robots flying around the station (see below) , the growing and harvesting of vegetables, jam session among the astronauts, crew meals and the arrival of new astronauts.

So far, the footage coming back seems to be achieving the goal of immersing audiences in science and life aboard the space station. NASA astronaut Sunita Williams got the chance to watch some of the initial footage and says it was like I was back on the station.

While most of the filming has been completed, the biggest technical challenge is yet to come: capturing a spacewalk in virtual reality. The team expects to launch a new camera for spacewalk filming and begin production of spacewalk filming in 2020.

Learn more about ISS Experience here.

For daily updates, follow @ISS_Research on Twitter, Space Station Research and Technology News or our Facebook. Follow the ISS National Lab for information on its sponsored investigations. For opportunities to see the space station pass over your town, check out Spot the Station.

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

🏊‍♂️ Down for a dip in the Cosmic Reef?

Nicknamed the Cosmic Reef because it resembles an undersea world, this is a vast star-forming region in the Large Magellanic Cloud, a satellite galaxy of the Milky Way.

Released in April 2020 to celebrate the Hubble Space Telescope’s 30th anniversary, the reef showcases the beauty and mystery of space in this complex image of starbirth. Throughout its decades of discoveries, Hubble has yielded over 1.5 million observations, providing data that astronomers around the world have used to write more than 18,000 peer-reviewed scientific publications, making it the most prolific space observatory in history.

Learn more about Hubble’s celebration of Nebula November and see new nebula images, here.

You can also keep up with Hubble on Twitter, Instagram, Facebook, and Flickr!

Image credits: NASA, ESA, and STScI

Wonder what it’s like to fly for NASA Earth science expeditions? Ask our research pilot anything! 

This January, we’re kicking off five new airborne Earth science expeditions aimed at studying our home planet from the land, sea and air. Here’s your chance to hear what it’s like from the cockpit! 

Research pilot Dean “Gucci” Neeley will be taking your questions in an Answer Time session on Friday, January 10 from 12-1pm ET here on NASA’s Tumblr! Find out what it’s like to fly research aircraft that use the vantage point of space to increase our understanding of Earth, improve lives and safeguard our future! Make sure to ask your question now by visiting http://nasa.tumblr.com/ask!

Dean Neeley, retired U.S. Air Force officer and pilot, joined our Armstrong Flight Research Center in 2012 as a research pilot. Neeley flies a diverse array of highly modified airborne science, research and mission support aircraft such as the single-seat Lockheed ER-2 high-altitude science jet. The ER-2 collects information about Earth resources, celestial observations, atmospheric chemistry and dynamics and oceanic processes. Neeley has also flown the Gulfstream G-II mission support aircraft, which explores environmentally friendly aircraft concepts, the Stratospheric Observatory for Infrared Astronomy (SOFIA), which observes the solar system and beyond at mid- and far-infrared wavelengths, and the C-20A (G-III) science platform aircraft, which carries our Jet Propulsion Laboratory's synthetic aperture radar. 

Dean Neeley Fun Facts 

Dean’s call sign Gucci came from flying KC-10 “Gucci Boys” before being hired to fly U-2 aircraft. Some say he spends too much time/money on his hair, clothes, cars. 😂

He played drums in two rock bands in the 80s and 90s; Agent Orange and the Defoliants; The Mod Sky Gods.

He spent his years in the Air Force as a reconnaissance squadron commander, wing chief of safety, stealth fighter squadron director and bomber in multiple worldwide aerial combat campaigns.

Dean holds a Bachelor of Science in Aerospace Engineering and a Master of Aeronautical Science degree.

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

How has being in space changed your perspective of life on Earth?

Roman’s Heat-Vision Eyes Are Complete!

Our Nancy Grace Roman Space Telescope team recently flight-certified all 24 of the detectors the mission needs. When Roman launches in the mid-2020s, the detectors will convert starlight into electrical signals, which will then be decoded into 300-megapixel images of huge patches of the sky. These images will help astronomers explore all kinds of things, from rogue planets and black holes to dark matter and dark energy.

Eighteen of the detectors will be used in Roman’s camera, while another six will be reserved as backups. Each detector has 16 million tiny pixels, so Roman’s images will be super sharp, like Hubble’s.

The image above shows one of Roman’s detectors compared to an entire cell phone camera, which looks tiny by comparison. The best modern cell phone cameras can provide around 12-megapixel images. Since Roman will have 18 detectors that have 16 million pixels each, the mission will capture 300-megapixel panoramas of space.

The combination of such crisp resolution and Roman’s huge view has never been possible on a space-based telescope before and will make the Nancy Grace Roman Space Telescope a powerful tool in the future.

Learn more about the Roman Space Telescope!

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