NASA Universe

Your backstage pass to the universe and how NASA studies it. Explore the cosmos with the official NASA Universe page on Facebook. No personal attacks. No spam.

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01/06/2026

in 1990, ROSAT (Roentgen Satellite), an X-ray telescope developed jointly by Germany, the United Kingdom, and NASA - National Aeronautics and Space Administration, headed to space. During nearly 9 years in orbit, it cataloged over 150,000 sources and observed a wide variety of objects.

Though the telescope retired in 1999, ROSAT’s archival data still serves as a resource for astronomers. Learn more about the telescope: https://go.nasa.gov/4u2dzQp

01/06/2026

Globular clusters are stellar "dinosaurs" scattered throughout the universe, containing some of the oldest stars in the universe. These clusters can contain anywhere from tens of thousands to millions of stars, packed tightly together in a dense clump.

01/06/2026

About once a day our telescopes detect a massive burst of gamma-rays that signals the birth of a black hole somewhere in the distant universe.

29/05/2026

28/05/2026

Spaceburger 🍔

Gomez's Hamburger shows a Sun-like star near the end of its life, casting off layers of gas and dust. The "buns" are really just light reflecting off dust, and the "patty" is the dark band of dust in the middle.

This object was discovered on sky photographs obtained by Arturo Gomez, an astronomer at the Cerro Tololo Inter-American Observatory in Chile. Gomez's Hamburger is located roughly 6,500 light-years away in the constellation Sagittarius.

Learn more for Hamburger Day: https://go.nasa.gov/3PH4U87

Image credit: NASA and The Hubble Heritage Team (STScI/AURA); Acknowledgment: A. Gomez (Cerro Tololo Inter-American Observatory)

27/05/2026

Want to live on a planet orbiting a black hole? Grab your sunscreen and read about the downsides of being close to one of these exotic objects: https://tmblr.co/Zz_Uqj2l2HTH7

Learn more fun facts about black holes with “The Traveler” on NASA+: https://plus.nasa.gov/series/the-traveler/

26/05/2026

When routine monitoring of our Swift telescope revealed it was rapidly sinking due to recent solar storms, NASA - National Aeronautics and Space Administration developed a fast-paced plan to raise it to a higher orbit.

Now, we’re closely tracking Swift’s location and forecasting its altitude over the coming months, projecting how long it will remain at least 185 miles (300 kilometers) above Earth. This altitude will give us the best chance of a successful boost by LINK, a robotic servicing spacecraft from Katalyst Space set to launch this June. Weekly predictions have helped the Swift team identify successful operational changes to slow down the orbital decay, extending the window for lifting the satellite.

Learn more about the boost and how we’re tracking Swift’s location: https://go.nasa.gov/4dxWbOL

Correction: Updated with a new version of the graph on Wednesday, May 27. The label on the x-axis that says “July” previously said “June.”

21/05/2026

A galactic odd couple.

The large, hazy galaxy at center is Messier 60; the bright spiral at upper right is NGC 4647. Together, they make up the pair Arp 116!

Though a trick of perspective makes them look like they're overlapping, M60 is roughly 54 million light-years away from Earth, while NGC 4647 is about 63 million light-years away.

Read more: https://go.nasa.gov/4fu4AUA

Image credit: NASA, ESA, and the Hubble Heritage (STScI/AURA)-ESA/Hubble Collaboration

20/05/2026

Thanks to our Fermi Gamma-ray Space Telescope, astronomers found the power source of a rare and unusually luminous supernova that was spotted in 2017.

This impressive blast shone brightly not just in visible light, but it's also the first seen to emit gamma rays.

Scientists have proposed one of the causes for this unique amount of power: the formation of a magnetar, a neutron star with a magnetic field more than 10 trillion times stronger than a refrigerator magnet. This is the rapidly spinning crushed core of the massive star that triggered the supernova when it ran out of fuel.

Learn more: https://go.nasa.gov/4nCZSWC

19/05/2026

15 years ago, the Alpha Magnetic Spectrometer began collecting cosmic rays from its perch on the International Space Station. More than 260 billion cosmic rays later, AMS continues to help us learn how the universe works.

What are cosmic rays? Learn more: https://tmblr.co/Zz_Uqj2XaWrWy

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