Aboard The International Space Station, Astronaut Thomas Pesquet of The European Space Agency Snapped

Aboard The International Space Station, Astronaut Thomas Pesquet of The European Space Agency Snapped

Aboard the International Space Station, astronaut Thomas Pesquet of the European Space Agency snapped this photo and wrote, 'The view at night recently has been simply magnificent: few clouds, intense #aurora. I can't look away from the windows.' 

The dancing lights of the aurora provide stunning views, but also capture the imagination of scientists who study incoming energy and particles from the sun. Aurora are one effect of such energetic particles, which can speed out from the sun both in a steady stream called the solar wind and due to giant eruptions known as coronal mass ejections or CMEs. Credit: NASA/ESA

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3 years ago
Dark Energy

Dark Energy

This bone-chilling force will leave you shivering alone in terror! An unseen power is prowling throughout the cosmos, driving the universe to expand at a quickening rate. This relentless pressure, called dark energy, is nothing like dark matter, that mysterious material revealed only by its gravitational pull. Dark energy offers a bigger fright: pushing galaxies farther apart over trillions of years, leaving the universe to an inescapable, freezing death in the pitch black expanse of outer space. Download this free poster in English and Spanish and check out the full Galaxy of Horrors.

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8 years ago

What's your main source of motivation?

First, I love what I do, and what has motivated me is the love that I have for science and learning new things. Then there are people who support you and keep you motivated. My mother was a source of motivation, as well as my family. My advisor Dr. Chopra was also a big supporter through graduate school. 


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2 years ago

What Makes the Artemis Moon Mission NASA's Next Leap Forward?

From left to right: A grey hollow pyramid-shaped lightning tower, the white Orion spacecraft and the top of the Space Launch System (SLS) rocket in orange, the Moon in faint white and gray, the Mobile Launcher with many pipes and levels in gray and red. The background is blue skies. Credit: NASA/Ben Smegelsky

When NASA astronauts return to the Moon through Artemis, they will benefit from decades of innovation, research, and technological advancements. We’ll establish long-term lunar science and exploration capabilities at the Moon and inspire a new generation of explorers—the Artemis Generation.

Cloudy skies are the backdrop behind the SLS rocket and Orion spacecraft, which is reflected in the windows of a vehicle to the left of the photo. The SLS is orange with two white boosters on either side, and the spacecraft is white, next to a gray pyramid-shaped lightning tower and Mobile Launcher with many pipes and levels in gray and red. Credit: NASA/Aubrey Gemignani

Meet the Space Launch System rocket, or SLS. This next-generation super heavy-lift rocket was designed to send astronauts and their cargo farther into deep space than any rocket we’ve ever built. During liftoff, SLS will produce 8.8 million pounds (4 million kg) of maximum thrust, 15 percent more than the Saturn V rocket.

The SLS rocket and Orion spacecraft sit inside the Vehicle Assembly Building (VAB) at Kennedy Space Center. The rocket is orange, with two white boosters on either side. The Orion Spacecraft is at the top and white. The VAB has many levels with walkways, pipes, and structures around the rocket. Credit: NASA/Kim Shiflett

SLS will launch the Orion spacecraft into deep space. Orion is the only spacecraft capable of human deep space flight and high-speed return to Earth from the vicinity of the Moon. More than just a crew module, Orion has a launch abort system to keep astronauts safe if an emergency happens during launch, and a European-built service module, which is the powerhouse that fuels and propels Orion and keeps astronauts alive with water, oxygen, power, and temperature control.

The Space Launch System rocket stands upright on the launchpad. The background is the sky dominated by clouds. The rocket has an orange central fuel tank with two white rocket boosters on either side. The Crawler-Transporter 2 is in the foreground with its massive tread-like wheels. Credit: NASA/Kim Shiflett

Orion and SLS will launch from NASA’s Kennedy Space Center in Florida with help from Exploration Ground Systems (EGS) teams. EGS operates the systems and facilities necessary to process and launch rockets and spacecraft during assembly, transport, launch, and recovery.

An artist's depiction of Gateway, the Moon-orbiting space station. Gateway is seen in gray with red solar arrays; behind it, the Moon is gray, black, and white, as well as the blackness of space. Credit: NASA/Alberto Bertolin

The knowledge we've gained while operating the International Space Station has opened new opportunities for long-term exploration of the Moon's surface. Gateway, a vital component of our Artemis plans, is a Moon-orbiting space station that will serve as a staging post for human expeditions to the lunar surface. Crewed and uncrewed landers that dock to Gateway will be able to transport crew, cargo, and scientific equipment to the surface.

An artist's depiction of astronauts working on the Moon. The astronaut suits are white with silver helmets; they work on the gray lunar surface. Credit: NASA

Our astronauts will need a place to live and work on the lunar surface. Artemis Base Camp, our first-ever lunar science base, will include a habitat that can house multiple astronauts and a camper van-style vehicle to support long-distance missions across the Moon’s surface. Apollo astronauts could only stay on the lunar surface for a short while. But as the Artemis base camp evolves, the goal is to allow crew to stay at the lunar surface for up to two months at a time.

Astronaut Mark Vande Hei takes a selfie in front of Earth during the first spacewalk of 2018. His suit is white, the reflective helmet silver, and Earth is blue with white clouds. Credit: NASA

The Apollo Program gave humanity its first experience traveling to a foreign world. Now, America and the world are ready for the next era of space exploration. NASA plans to send the first woman and first person of color to the lunar surface and inspire the next generation of explorers.

An artist's depiction of Orion traversing above the surface of the Moon, with Earth in the background. Orion is white and gray, the Moon's shadowy surface is white and black, and the Earth is surrounded by the blackness of space and is faintly blue and black. Credit: NASA/Liam Yanulis

Our next adventure starts when SLS and Orion roar off the launch pad with Artemis I. Together with commercial and international partners, NASA will establish a long-term presence on the Moon to prepare for missions to Mars. Everything we’ve learned, and everything we will discover, will prepare us to take the next giant leap: sending the first astronauts to Mars.

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8 years ago

House of Horrors: Exoplanet Edition

Astronomers may be closer than ever to discovering a planet that’s habitable like our own, but along the way they’ve discovered some very scary exoplanets – places where conditions are far too harsh for life as we know it to exist.

Okay, but what IS an exoplanet???

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We’ve rounded up some of the most frightening, deadly exoplanets, places that make even the scariest haunted house on Earth pale in comparison. Check them out...

Radiation Bath, Anyone?

The exoplanets PSR B1257+12 B, C & D were among the first discovered, and also happened to be three of the weirdest! The entire system is a graveyard, remnants of what used to be a normal, functional solar system before the star blew apart in a giant explosion known as a supernova.

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The massive shockwave from the supernova stripped away any atmosphere or living creatures that might have once lived on these planets, leaving behind ghostly, rocky shells, dead planets orbiting the corpse of an extinct star.

Except that the system isn’t completely dead…the remaining core from the old star has become a zombie star called a pulsar. Literally spinning in its grave, it makes a full rotation every 6.22 milliseconds and emits an intense beam of radiation that can be detected from Earth. The star’s unfortunate planets are thus bathed in deadly radiation on a regular basis, making sure that this system remains a cosmic no-man’s land.

A Mighty Wind

The sound of howling wind is a must for any Earth-based haunted house, but weather conditions on HD 189733 b make it a very dangerous place to go trick-or-treating.

At first glance, this exoplanet looks like the typical “hot Jupiter” — a huge gas planet perched dangerously to a burning-hot star, with daytime temperatures around a balmy 1,770 degrees Fahrenheit. This exoplanet is also “tidally locked” in its orbit, which means that the same side of the planet always faces its star.

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But when scientists measured the planet’s nighttime temperature, they were shocked to find that it was only 500 degrees cooler. How does the back side of the planet stay so warm?

The answer is wind! Insanely fast, dangerous wind that whisks heat from day-side to night-side at a speed of 4,500 mph, nearly six times the speed of sound! In fact, astronomers estimate that wind speeds might top out at 5,400 mph, conditions that make hurricanes on Earth look like a breezy day at the beach.

Newborn Exoplanet Around Scorching Star

This exoplanet, named K2-33b, is the youngest fully formed exoplanet ever detected. This planet is a bit larger than Neptune and whips tightly around its star every five days. Since this planet sits nearly 10 times closer to its star than Mercury is to our sun, it’s HOT!

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No matter how cute you think infants are, this is one baby you’d want to stay away from.

Boil, Boil, Toil and Trouble

The planet HD 209458 b (aka. Osiris - the god of death) has a few things in common with Earth: water vapor, methane and carbon dioxide in its atmosphere, key ingredients for life on our planet. Don’t be fooled, though, because this planet is a rolling cauldron of almost unimaginable heat.

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Even the hottest summer days on Earth don’t get as dangerous as the conditions here. A planet that orbits so close to its host star that its atmosphere is literally boiling off, ripped away from the planet as it whips around on its breakneck 3.5-day orbit.

All Alone and Very, Very Cold

While most of the exoplanets found so far are hellishly hot, OGLE-2005-BLG-390L b has the distinction of being extremely cold.

The planet takes about 10 Earth years to orbit its tiny dwarf star, and it’s a chilly trip; the average temperature on this exoplanet is 50 Kelvin, or minus 370 degrees Fahrenheit! A good costume for trick-or-treating on this frigid planet would be a toasty self-heating spacesuit, an oxygen supply, ice skates and plenty of hot cocoa.

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Of course, don’t expect to find many houses with candy here, because despite the fact that it’s just a few times bigger than Earth, this exoplanet is an uninhabitable ice ball stuck in a perpetual winter freeze.

A Scorched World

Kepler-10b is a scorched world, orbiting at a distance that’s more than 20 times closer to its star than Mercury is to our own sun. The daytime temperatures are expected to be more than 2,500 degrees Fahrenheit, hotter than lava flows here on Earth. 

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Intense radiation from the star has kept the planet from holding onto an atmosphere, but flecks of silicates and iron that have boiled off a molten surface are swept away by the stellar radiation.

Learn more about worlds beyond our solar system at: https://exoplanets.nasa.gov/

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5 years ago

What is the best and worst thing about being in a zero gravity environment?


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4 years ago
Do You Believe In Magic? ✨ ⁣ While Appearing As A Delicate And Light Veil Draped Across The Sky,

Do you believe in magic? ✨ ⁣ While appearing as a delicate and light veil draped across the sky, this @NASAHubble image reminds us of the power of imagination. What does this look like to you?⁣ ⁣ In reality, it's a small section of a Cygnus supernova blast wave, located around 2,400 light-years away. The original supernova explosion blasted apart a dying star about 20 times more massive than our Sun between 10,000 and 20,000 years ago. Since then, the remnant has expanded 60 light-years from its center. ⁣ ⁣ Credit: @ESA/Hubble & NASA, W. Blair; acknowledgment: Leo Shatz⁣ ⁣


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9 years ago

What’s a Space Headache?

Headaches can be a common complaint during spaceflight. The Space Headaches experiment improves our understanding of such conditions, which helps in the development of methods to alleviate associated symptoms, and improve the well-being and performance of crew members in orbit. This can also improve our knowledge of similar conditions on Earth.

What’s A Space Headache?

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8 years ago

Solar System: 10 Things to Know This Week

State of the Solar System: 10 quick updates from around our galactic neighborhood.

1. Powered by the Sun

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Fifty-nine years ago, Vanguard 1 launched to demonstrate a new spacecraft technology – solar power. We’ve been going farther and for longer ever since.

+More on Vanguard 1

2. Mapping Mercury

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A big week in history for exploration of the innermost planet. On March 16, 1975, our Mariner 10 made its third and final flyby of Mercury. One day and 36 years later, MESSENGER became the first spacecraft to orbit Mercury. Next up: ESA’s BepiColumbo, undergoing testing now, is set to launch for Mercury in 2018.

+Missions to Mercury

3. Return to Venus

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U.S. and Russian scientists are discussing a planned revival of the successful Venera program that revealed much about Venus in the 1960s, 70s and 80s. Meanwhile, Japan’s Akatsuki orbiter continues to study our sister planet.

+More on Venera-D

4. Rocket Power

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Back on Earth 91 years ago (March 16, 1926), inventor and dreamer Robet Goddard changed the world forever with the first test of a liquid-fueled rocket. We’ve been going farther and faster ever since.

+More on Goddard

5. Moon Watch

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Our Lunar Reconnaissance Orbiter (LRO) has been sending a steady stream of high-resolution images back to Earth for more than seven years.

+More on LRO

6. Busy Mars

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There are currently five orbiters (Mars Reconnaissance Orbiter, Mars Odyssey, MAVEN, ESA’s Mars Express and India’s Mars Orbiter Mission) and two rovers (Curiosity and Opportunity) exploring Mars, making it second only to Earth in the number of robotic spacecraft studying its secrets.

+Meet the Mars Fleet

7. Vote for Jupiter

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Polls close today (March 20) so vote not to point a real spacecraft camera at Jupiter during the mission’s 5th perijove pass.

+Vote now

8. Science to the Last Second

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In a little less than six months, our Cassini orbiter will plunge into Saturn as a spectacular finale to its 19-year mission – but not before it embarks on a completely new mission into unexplored space between Saturn and its mighty rings.

+More on Cassini’s Grand Finale

9. By George?

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Happy belated birthday to Uranus, discovered on March 13, 1781 by William Herschel. The English astronomer wanted to name his discovery – the first planet discovered in recorded history – “Georgium Sidus” after England’s King George III. But he was overruled, and astronomer stuck with traditional mythological names – creating an opportunity for 263 years of student jokes at the expense of the ice giant planet’s name.

+More on Uranus

10. Go Farther

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The round trip light time from Voyager 1 to Earth is more than 38 hours. Voyager 1 is almost 13 billion miles from our home planet.

+More on Voyager

Discover more lists of 10 things to know about our solar system HERE.

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5 years ago
Bubble Nebula. Bubble Nebula. Bubble Nebula. 

Bubble Nebula. Bubble Nebula. Bubble Nebula. 

It's not just fun to say, it's spectacular to admire. 

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


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5 years ago

What was your reaction to getting selected for the Air Force Fellows program?


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