It’s Friday...Come Space Out With Us

It’s Friday...Come Space Out with Us

It’s Friday…which seems like a great excuse to take a look at some awesome images from space.

First, let’s start with our home planet: Earth.

It’s Friday...Come Space Out With Us

This view of the entire sunlit side of Earth was taken from one million miles away…yes, one MILLION! Our EPIC camera on the Deep Space Climate Observatory captured this image in July 2015 and the picture was generated by combining three separate images to create a photographic-quality image.

Next, let’s venture out 4,000 light-years from Earth.

It’s Friday...Come Space Out With Us

This image, taken by the Hubble Space Telescope, is not only stunning…but shows the colorful “last hurrah” of a star like our sun. This star is ending its life by casting off its outer layers of gas, which formed a cocoon around the star’s remaining core. Our sun will eventually burn out and shroud itself with stellar debris…but not for another 5 billion years.

The material expelled by the star glows with different colors depending on its composition, its density and how close it is to the hot central star. Blue samples helium; blue-green oxygen, and red nitrogen and hydrogen.

Want to see some rocks on Mars?

It’s Friday...Come Space Out With Us

Here’s an image of the layered geologic past of Mars revealed in stunning detail. This color image was returned by our Curiosity Mars rover, which is currently “roving” around the Red Planet, exploring the “Murray Buttes” region.

In this region, Curiosity is investigating how and when the habitable ancient conditions known from the mission’s earlier findings evolved into conditions drier and less favorable for life.

Did you know there are people currently living and working in space?

It’s Friday...Come Space Out With Us

Right now, three people from three different countries are living and working 250 miles above Earth on the International Space Station. While there, they are performing important experiments that will help us back here on Earth, and with future exploration to deep space.

This image, taken by NASA astronaut Kate Rubins shows the stunning moonrise over Earth from the perspective of the space station.

Lastly, let’s venture over to someplace REALLY hot…our sun.

It’s Friday...Come Space Out With Us

The sun is the center of our solar system, and makes up 99.8% of the mass of the entire solar system…so it’s pretty huge. Since the sun is a star, it does not have a solid surface, but is a ball of gas held together by its own gravity. The temperature at the sun’s core is about 27 million degrees Fahrenheit (15 million degrees Celsius)…so HOT!

This awesome visualization appears to show the sun spinning, as if stuck on a pinwheel. It is actually the spacecraft, SDO, that did the spinning though. Engineers instructed our Solar Dynamics Observatory (SDO) to roll 360 degrees on one axis, during this seven-hour maneuver, the spacecraft took an image every 12 seconds.

This maneuver happens twice a year to help SDO’s imager instrument to take precise measurements of the solar limb (the outer edge of the sun as seen by SDO).

Thanks for spacing out with us…you may now resume your Friday. 

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

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Jupiter Has 12 Newly Discovered Moons!! I Really Relate To Valetudo, For Some Reason…
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Jupiter has 12 newly discovered moons!! I really relate to Valetudo, for some reason…

7 years ago
I Don’t Know Why This Headline Is So Hilarious To Me

I don’t know why this headline is so hilarious to me


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7 years ago

when you have to take physics before SPACE 🚀 😭😭😭

some times i remember i have to survive another semester of ((biology)) just to get to SPACE !! which is next year,,, it makes me sad


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9 years ago

this account has been active for like 3 class periods

honestly what am i even doing anymore  

plox follow

thx in advance


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7 years ago
Source

Source

Want more info? Here ya go: 

image

This Biology Teacher Disproved Transphobia With Science 

ALSO:

Sex redefined

“The idea of two sexes is simplistic. Biologists now think there is a wider spectrum than that.”

More on anti-trans arguments as bad science

8 years ago

i’m in a long distance relationship with the stars

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To some people you’re an NPC

To other people, you’re the special, unlockable character that they worked and worked to finally get- and when they do they’re so happy because they got the game just so they could find you.


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7 years ago

is there a smell comparable to space ? i assume we dont know because we would die if we tried to smell it but thats so cool

yeah if humans tried to smell space just like that, we’d die, no doubt about it 

but the smell of space lingers on spacewalk suits, and docking hatches when astronauts open them!

apparently, space itself smells like burning hot metal, or a hot barbeque grill with a slight hint of spent gasoline. The moon, apparently, smells like a gun after its been shot!

The coolest thing about it all is that the smell is actually what are left of dying stars- it’s literally the smell of stardust, and the particles smell like that because they’re so rich in hydrocarbons- something so very essential to life, and speculated by a lot of astronomers and astrobiologists and such to be the very thing life on earth started from!

another neat fact is that no two solar systems smell the same- ours smells like that because our solar system in particular is extremely rich in carbon, and other solar systems and places in the universe will have extremely different smells depending on what elements are most abundant in their system! 

8 years ago

10 Times More Galaxies!

The universe suddenly looks a lot more crowded…

We already estimated that there were about 100 billion galaxies in the observable universe, but new research shows that this estimate is at least 10 times too low!

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First, what is the observable universe? Well, it is the most distant part of the universe we can see from Earth because, in theory, the light from these objects have had time to reach Earth.

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In a new study using surveys taken by the Hubble Space Telescope and other observatories, astronomers came to the surprising conclusion that there are at least 10 times more galaxies in the observable universe than previously thought. This places the universe’s estimated population at, minimally, 2 trillion galaxies!

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The results have clear implications for galaxy formation, and also helps shed light on an ancient astronomical paradox – why is the sky dark at night?

Most of these newly discovered galaxies were relatively small and faint, with masses similar to those of the satellite galaxies surrounding the Milky Way.

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Using deep-space images from the Hubble Space Telescope and other observatories, astronomers converted the images into 3-D, in order to make accurate measurements of the number of galaxies at different epochs in the universe’s history.

In addition, they used new mathematical models, which allowed them to infer the existence of galaxies that the current generation of telescopes cannot observe. This led to the surprising conclusion that in order for the numbers of galaxies we now see and their masses to add up, there must be a further 90% of galaxies in the observable universe that are too faint and too far away to be seen with present-day telescopes.

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The myriad small faint galaxies from the early universe merged over time into the larger galaxies we can now observe.

That means that over 90% of the galaxies in the universe have yet to be studied! In the near future, the James Webb Space Telescope will be able to study these ultra-faint galaxies and give us more information about their existence.

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So back to the question…Why is the sky dark at night if the universe contains an infinity of stars? Researchers came to the conclusion that indeed there actually is such an abundance of galaxies that, in principle, every patch in the sky contains part of a galaxy.

However, starlight from the galaxies is invisible to the human eye and most modern telescopes due to other known factors that reduce visible and ultraviolet light in the universe. Those factors are the reddening of light due to the expansion of space, the universe’s dynamic nature, and the absorption of light by intergalactic dust and gas. All combined, this keeps the night sky dark to our vision.

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


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plutoisnotaplanet - gnat in space
gnat in space

welcome to my space space (see what i did there) (space means two different things)

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