Challenge And Tragedy Comes To Everyone, It Does Not Discriminate Between Good Or Bad... Our Resolve

Wow, quite a career!

Ever want to ask a real life astronaut a question? Here’s your chance!

Astronaut Jeanette Epps will be taking your questions in an Answer Time session on Friday, May 5 from 10am - 11am ET here on NASA’s Tumblr. See the questions she’s answered by visiting nasa.tumblr.com/tagged/answertime!

NASA astronaut Jeanette J. Epps (Ph.D.) was selected as an astronaut in 2009. She has been assigned to her first spaceflight, which is scheduled to launch in May 2018. Her training included scientific and technical briefings, intensive instruction in International Space Station systems, spacewalk training, robotics, T‐38 flight training and wilderness survival training.

Before becoming an astronaut, Epps worked as a Technical Intelligence Officer at the Central Intelligence Agency (CIA).

Born in Syracuse, New York. Enjoys traveling, reading, running, mentoring, scuba diving and family.

She has a Bachelor of Science in Physics from LeMoyne College, as well as a Master of Science and Doctorate of Philosophy in Aerospace Engineering from the University of Maryland. 

Follow Jeanette on Twitter at @Astro_Jeanette and follow NASA on Tumblr for your regular dose of space.

Happy Valentine's Day, Kimmy!

Happy Valentine’s Day 💗💜💗

Here’s round 2 of funny space themed Valentine’s Day cards to send to the people you love (or for yourself because you should love yourself too) 💞

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NASAs SWIFT has made the largest ever ultraviolet image of the Andromeda Galaxy. The image shows a region 200,000 light-years wide and 100,000 light-years high

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I have really enjoyed my journey on becoming a #newly established #scifiauthor focusing on the #spaceopera genre. I enjoy my fan base and newly created friends and acquaintances. The universe awaits us all and I thank you for your support. V/r, @matthewopdyke #theoreticalphysics #physics #biotechnology #neuroscience #nanotechnology #spacetravel https://www.instagram.com/p/BuKIV3JggkU/?utm_source=ig_tumblr_share&igshid=959w55tkryri

Hubble’s Greatest Discoveries Weren’t Planned; They Were Surprises

“And if we head out beyond our own galaxy, that’s where Hubble truly shines, having taught us more about the Universe than we ever imagined was out there. One of the greatest, most ambitious projects ever undertaken came in the mid-1990s, when astronomers in charge of Hubble redefined staring into the unknown. It was possibly the bravest thing ever done with the Hubble Space Telescope: to find a patch of sky with absolutely nothing in it — no bright stars, no nebulae, and no known galaxies — and observe it. Not just for a few minutes, or an hour, or even for a day. But orbit-after-orbit, for a huge amount of time, staring off into the nothingness of empty space, recording image after image of pure darkness.

What came back was amazing. Beyond what we could see, there were thousands upon thousand of galaxies out there in the abyss of space, in a tiny region of sky.”

28 years ago today, the Hubble Space Telescope was deployed. Since that time, it’s changed our view of the Solar System, the stars, nebulae, galaxies, and the entire Universe. But here’s the kicker: almost all of what it discovered wasn’t what it was designed to look for. We were able to learn so much from Hubble because it broke through the next frontier, looking at the Universe in a way we’ve never looked at it before. Astronomers and astrophysicists found clever ways to exploit its capabilities, and the observatory itself was overbuilt to the point where, 28 years later, it’s still one of the most sought-after telescopes as far as observing time goes.

Hubble’s greatest discoveries weren’t planned, but the planning we did enabled them to become real. Here are some great reasons to celebrate its anniversary.

Just a tune, courtesy of Balligomingo, Garrett Schwartz, Vic Levak, and Beverly Staunton that I've enjoyed for a while.

10 Things: Journey to the Center of Mars

May the fifth be with you because history is about to be made: As early as May 5, 2018, we’re set to launch Mars InSight, the very first mission to study the deep interior of Mars. We’ve been roaming the surface of Mars for a while now, but when InSight lands on Nov. 26, 2018, we’re going in for a deeper look. Below, 10 things to know as we head to the heart of Mars.

Coverage of prelaunch and launch activities begins Thursday, May 3, on NASA Television and our homepage.

1. What’s in a name? 

“Insight” is to see the inner nature of something, and the InSight lander—a.k.a. Interior Exploration using Seismic Investigations, Geodesy and Heat Transport—will do just that. InSight will take the “vital signs” of Mars: its pulse (seismology), temperature (heat flow) and reflexes (radio science). It will be the first thorough check-up since the planet formed 4.5 billion years ago.

2. Marsquakes. 

You read that right: earthquakes, except on Mars. Scientists have seen a lot of evidence suggesting Mars has quakes, and InSight will try to detect marsquakes for the first time. By studying how seismic waves pass through the different layers of the planet (the crust, mantle and core), scientists can deduce the depths of these layers and what they’re made of. In this way, seismology is like taking an X-ray of the interior of Mars.

Want to know more? Check out this one-minute video.

3. More than Mars. 

InSight is a Mars mission, but it’s also so much more than that. By studying the deep interior of Mars, we hope to learn how other rocky planets form. Earth and Mars were molded from the same primordial stuff more than 4.5 billion years ago, but then became quite different. Why didn’t they share the same fate? When it comes to rocky planets, we’ve only studied one in great detail: Earth. By comparing Earth’s interior to that of Mars, InSight’s team hopes to better understand our solar system. What they learn might even aid the search for Earth-like planets outside our solar system, narrowing down which ones might be able to support life.

4. Robot testing. 

InSight looks a bit like an oversized crane game: When it lands on Mars this November, its robotic arm will be used to grasp and move objects on another planet for the first time. And like any crane game, practice makes it easier to capture the prize.

Want to see what a Mars robot test lab is like? Take a 360 tour.

5. The gang’s all here. 

InSight will be traveling with a number of instruments, from cameras and antennas to the heat flow probe. Get up close and personal with each one in our instrument profiles.

6. Trifecta. 

InSight has three major parts that make up the spacecraft: Cruise Stage; Entry, Descent, and Landing System; and the Lander. Find out what each one does here.

7. Solar wings. 

Mars has weak sunlight because of its long distance from the Sun and a dusty, thin atmosphere. So InSight’s fan-like solar panels were specially designed to power InSight in this environment for at least one Martian year, or two Earth years.

8. Clues in the crust. 

Our scientists have found evidence that Mars’ crust is not as dense as previously thought, a clue that could help researchers better understand the Red Planet’s interior structure and evolution. “The crust is the end-result of everything that happened during a planet’s history, so a lower density could have important implications about Mars’ formation and evolution,” said Sander Goossens of our Goddard Space Flight Center in Greenbelt, Maryland.

9. Passengers. 

InSight won’t be flying solo—it will have two microchips on board inscribed with more than 2.4 million names submitted by the public. “It’s a fun way for the public to feel personally invested in the mission,” said Bruce Banerdt of our Jet Propulsion Laboratory, the mission’s principal investigator. “We’re happy to have them along for the ride.”

10. Tiny CubeSats, huge firsts. 

The rocket that will loft InSight beyond Earth will also launch a separate NASA technology experiment: two mini-spacecraft called Mars Cube One, or MarCO. These suitcase-sized CubeSats will fly on their own path to Mars behindInSight. Their goal is to test new miniaturized deep space communication equipment and, if the MarCOs make it to Mars, may relay back InSight data as it enters the Martian atmosphere and lands. This will be a first test of miniaturized CubeSat technology at another planet, which researchers hope can offer new capabilities to future missions.

Check out the full version of ‘Solar System: 10 Thing to Know This Week’ HERE. 

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

The Transit Method of Detecting Extrasolar Planets

When a planet crosses in front of its star as viewed by an observer, the event is called a transit. Transits by terrestrial planets produce a small change in a star’s brightness of about 1/10,000 (100 parts per million, ppm), lasting for 2 to 16 hours. This change must be absolutely periodic if it is caused by a planet. In addition, all transits produced by the same planet must be of the same change in brightness and last the same amount of time, thus providing a highly repeatable signal and robust detection method. 

Image credit: NASA | Source: NASA

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