NASA Universe

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NASA Universe

@NASAUniverse

Your backstage pass to the universe and how NASA studies it. Verification: nasa.gov/socialmedia

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Greenbelt, MDuniverse.nasa.gov2009年3月からTwitterを利用しています

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NASA Universeさんのポスト

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NASA Universe

@NASAUniverse

1月25日

Just announced:

@ESA

is adding LISA to its mission lineup for a launch in the mid-2030s. LISA will extend our view of ripples in space-time called gravitational waves.

@NASA

will provide several instrument components and science and engineering support. go.nasa.gov/3uheSSG

This is an artist’s concept of one of the LISA mission satellites. The spacecraft has an octagonal shape with a relatively flat, round top. The top is nearly filled with a blue grid that is its solar panel. There are various smaller components found around the sides of the spacecraft. Red laser beams emanate from two the sides, extending off the edges of the image.The background is dark and dotted with stars. The LISA mission, led by the European Space Agency with NASA contributions, will detect gravitational waves in space using three spacecraft, separated by more than a million miles, flying in a triangular formation. Lasers fired between the satellites, shown in this artist's concept, will measure how gravitational waves alter their relative distances. The image is watermarked “Artist’s Concept” and “Credit: AEI/MM/Exozet.”

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In the time it takes you to read this tweet, the expansion of the universe will carry this gorgeous spiral galaxy, called NGC 3147, another 31,000 miles away from us. That’s about four Earth diameters. #MondayMotivation

An image of NGC 3147, a spiral galaxy, located 130 million light-years away in the northern circumpolar constellation Draco the Dragon.

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It’s been 5 years since scientists discovered 7 exciting Earth-sized planets in the TRAPPIST-1 system, and soon

@NASAWebb

will help us learn more about them! Chat with experts on @TwitterSpaces, Feb 22nd at 2pm ET, and tweet your questions with #AskNASA.

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NASA Universe

@NASAUniverse

2019年3月4日

This might be the most unusual type of music you hear anywhere. Click to hear what happens when we translate the light captured in this gorgeous

@NASAHubble

image of a galaxy cluster… into sound!

go.nasa.gov/2TxyRrW

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NASA Universe

@NASAUniverse

2020年4月9日

Galaxy collisions are the ultimate in slow-motion stunts.

When a pair of galaxies encounters each other, it takes 1-2 billion years for them to merge and settle down. The stars already in the galaxies don’t change much, but the collision can spark lots of new stars to form!

This image is of 12 different galaxy collisions taken by Hubble Space Telescope.

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NASA Universe

@NASAUniverse

2022年3月21日

There are planets everywhere we look: 5,000 and counting. Even with so many worlds discovered outside our solar system, Earth is still the only one we know of that’s just right for human life. Learn more: exoplanets.nasa.gov

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@NASAUniverse

2021年4月26日

We have found over 4,300 planets beyond our solar system, but we still only know of one that is just right for human life — our home on Earth.

#MondayMotivation

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@NASAUniverse

2023年1月5日

Curious about black holes? If you could look at a black hole that’s pulling in material, you would see thin rings of light at the edge of the black hole’s shadow. They are actually multiple, highly distorted images of its accretion disk. Learn more: universe.nasa.gov/black-holes/an

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Our galaxy is one of trillions in the known universe.

#MondayMotivation

Ultraviolet coverage of the Hubble Ultra Deep Field.

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NASA Universe

@NASAUniverse

2022年11月28日

Our universe is speckled with stars, with billions just in our galaxy. Some stars live alone or in twos or threes, but others are bound together by gravity into much larger communities. In honor of

@NASAHubble

’s exploration of #StarrySights, let’s talk about star clusters!

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This image is a multiwavelength view of the Small Magellanic Cloud (SMC), one of the Milky Way's closest galactic neighbors. X-ray data from NASA’s Chandra telescope data is shown in purple, optical data from Hubble is shown in red, green and blue, and infrared data from Spitzer is shown in red. The image is dominated by a massive open circle of hazy brownish-pink clouds with dozens of larger, bright white and pink objects inside of it. The edges of the image are speckled with dimmer stars, galaxies, and other objects on a black background. The image is watermarked with the words “Credits: X-ray: NASA/CXC/Univ.Potsdam/L.Oskinova et al; Optical: NASA/STScI; Infrared: NASA/JPL-Caltech.”

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@NASAUniverse

2022年11月25日

While black holes don’t emit light, their influence can be seen. Swirling gas, energetic jets, and even ripples in space-time give them away. Follow this thread to learn how different observatories help us study black holes! #BlackHoleFriday

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@NASAUniverse

2022年8月8日

If you’re a cat lover, there’s little better than tiny toe-beans, but how about these ginormous ones that we found in the Milky Way? They're actually part of a star-forming region roughly 5,000 light-years away known as the Cat’s Paw Nebula. Isn't this purrfect?

At 5,500 light-years distant, Cat's Paw is an emission nebula with a red color that originates from an abundance of ionized hydrogen atoms. Alternatively known as NGC 6334, stars nearly ten times the mass of our Sun have been born there in only the past few million years. Pictured here is a deep field image of the Cat's Paw Nebula in light emitted by hydrogen, oxygen, and sulfur. Credit: S. Lipinski/NASA & ESA

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@NASAUniverse

2020年1月5日

A team of astronomers have found EGS77 — the farthest galaxy group known to date! This trio of galaxies is transforming the dark, light-quenching early universe into the one we observe today. go.nasa.gov/2ZUw0di

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@NASAUniverse

2021年11月15日

The salt on your table is made of sodium and chlorine.

Both of these elements were made by large stars that exploded before our solar system formed. #MondayMotivation

This supernova remnant was produced by a massive star that exploded in a nearby galaxy called the Small Magellanic Cloud.

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NASA Universe

@NASAUniverse

2022年1月10日

Our Sun orbits the center of the Milky Way galaxy, travelling at an average of 450,000 miles per hour.

Even at that speed, it takes about 230 million years to complete one orbit. #MondayMotivation

Illustration of the Milky Way galaxy. There is a bright “bar” of stars in the center, with two main spiral arms of stars coming off each end of the bar. Additional small arms and spurs break off of the main arms. The Sun is shown in the Orion Spur.

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@NASAUniverse

2022年5月16日

The iron carrying oxygen from your lungs to the rest of your body was made when stars exploded. #MondayMotivation

Tycho’s supernova remnant in X-ray and optical light. The optical light shows a starry background while the X-ray light shows a pattern of bright clumps and fainter holes within a large circle.

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@NASAUniverse

2021年11月26日

There’s hardly ever a dull day in the universe, especially when black holes are involved.

Check out this thread for some of the latest black hole news! #BlackHoleFriday

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@NASAUniverse

2021年5月15日

Every day is #AstronomyDay for us!

@NASA

uses an array of telescopes and satellites to look far and deep into the cosmos to study the universe.

This image is of Cassiopeia A. It is a well-known supernova remnant located about 11,000 light years from Earth. Supernova remnants and the elements they produce are very hot — millions of degrees — and glow strongly in X-ray light.

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@NASAUniverse

2022年5月19日

Ring galaxies may look like dazzling jewelry, but they’re anything but that! Scientists think they may be a product of enormous collisions where a smaller and a larger galaxy meet at just the right angle. Read more: tmblr.co/Zz_UqjZAfT9tim #GalaxiesGalore

This image is of four rings galaxies. Scientists think most of them form in monster-sized crashes. Not just any galaxy collision will do the trick, though. To produce the ring shape, a smaller galaxy needs to ram through the center of a larger galaxy at just the perfect angle.

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@NASAUniverse

2021年7月26日

In the time it takes you to read this tweet, the expansion of the universe will carry the Cartwheel galaxy another 56,000 miles away from us.

#MondayMotivation

The Cartwheel Galaxy's shape is caused by a smaller galaxy passing right through a large disk galaxy and produced shock waves that swept up gas and dust — like ripples produced when a stone is dropped in a lake — and sparked regions of intense star formation (appearing blue). The outermost ring of the galaxy, which is 1.5 times the size of our Milky Way, marks the shock wave’s leading edge.

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NASA Universe

@NASAUniverse

2020年11月2日

Our galaxy is one of trillions in the known universe.

#MondayMotivation

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@NASAUniverse

2022年5月9日

Ring galaxies are thought to form when a smaller galaxy punches through a larger galaxy at just the right angle. The beautiful ring is made of newly formed stars sparked by the gas and dust pushing outward from the collision. #MondayMotivation

Collage of four ring galaxies. These galaxies show up as a circle or oval of bright, clumpy matter. In one of them, there is a bright spiral-looking center. Another has a bright smudge at the center. The other two are dark in the middle.

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NASA Universe

@NASAUniverse

2021年4月27日

... .--. . -.-. - .-. --- ... -.-. --- .--. -.-- .. ... .-- .... .- - .- ... - .-. --- -. --- -- . .-. ... ..- ... . - --- .- -. .- .-.. -.-- --.. . .-.. .. --. .... - -.-. --- -- .. -. --. ..-. .-. --- -- .- ... - .- .-. #MorseCodeDay

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NASA Universe

@NASAUniverse

2021年5月24日

Sometimes when you look out at the universe, it smiles back! Gravity can act as a lens, creating an optical effect where light from a distant object bends around a closer but very massive object.

#MondayMotivation

In the center of this image, taken with the NASA/ESA Hubble Space Telescope, is the galaxy cluster SDSS J1038+4849 — and it seems to be smiling. You can make out its two orange eyes and white button nose. In the case of this “happy face”, the two eyes are very bright galaxies and the misleading smile lines are actually arcs caused by an effect known as strong gravitational lensing.

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