NASA's Goddard Space Flight Center
3 Apr 2020, 12:11 UTC
This remarkable spiral galaxy, known as NGC 4651, may look serene and peaceful as it swirls in the vast, silent emptiness of space, but don’t be fooled — it keeps a violent secret. It is believed that this galaxy consumed another smaller galaxy to become the large and beautiful spiral that we observe today.
Hubble Captures a Cannibal Galaxy
3 Apr 2020, 12:11 UTC
This remarkable spiral galaxy, known as NGC 4651, may look serene and peaceful as it swirls in the vast, silent emptiness of space, but don’t be fooled — it keeps a violent secret. It is believed that this galaxy consumed another smaller galaxy to become the large and beautiful spiral that we observe today.
NASA's Jet Propulsion Laboratory News and Features
1 Apr 2020, 16:31 UTC
NASA's Wide Field Infrared Survey Telescope (WFIRST) will search for planets outside our solar system toward the center of our Milky Way galaxy, where most stars are. Studying the properties of exoplanet worlds will help us understand what planetary systems throughout the galaxy are like and how planets form and evolve.
WFIRST Will Use Warped Space-time to Help Find Exoplanets
1 Apr 2020, 16:31 UTC
NASA's Wide Field Infrared Survey Telescope (WFIRST) will search for planets outside our solar system toward the center of our Milky Way galaxy, where most stars are. Studying the properties of exoplanet worlds will help us understand what planetary systems throughout the galaxy are like and how planets form and evolve.
SLAC National Accelerator Laboratory
31 Mar 2020, 19:43 UTC
Just like we orbit the sun and the moon orbits us, the Milky Way has satellite galaxies with their own satellites. Drawing from data on those galactic neighbors, a new model suggests the Milky Way should have an additional 100 or so very faint satellite galaxies awaiting discovery.
The Milky Way’s satellites help reveal link between dark matter halos and galaxy formation
31 Mar 2020, 19:43 UTC
Just like we orbit the sun and the moon orbits us, the Milky Way has satellite galaxies with their own satellites. Drawing from data on those galactic neighbors, a new model suggests the Milky Way should have an additional 100 or so very faint satellite galaxies awaiting discovery.
Kavli Institute for the Physics and Mathematics of the Universe
30 Mar 2020, 05:00 UTC
An international team of researchers has found that neon inside a certain massive star can eat so many electrons in the core, a process called electron capture, which causes the star to collapse into a neutron star and produce a supernova.
Electron-eating neon causes star to collapse
30 Mar 2020, 05:00 UTC
An international team of researchers has found that neon inside a certain massive star can eat so many electrons in the core, a process called electron capture, which causes the star to collapse into a neutron star and produce a supernova.
NASA's Goddard Space Flight Center
27 Mar 2020, 11:30 UTC
NGC 4618 was discovered on April 9, 1787, by the German-British astronomer William Herschel, who also discovered Uranus in 1781. Only a year before discovering NGC 4618, Herschel theorized that the “foggy” objects astronomers were seeing in the night sky were likely to be large star clusters located much farther away than the individual stars he could easily discern.
Hubble Hooks a One-Arm Galaxy
27 Mar 2020, 11:30 UTC
NGC 4618 was discovered on April 9, 1787, by the German-British astronomer William Herschel, who also discovered Uranus in 1781. Only a year before discovering NGC 4618, Herschel theorized that the “foggy” objects astronomers were seeing in the night sky were likely to be large star clusters located much farther away than the individual stars he could easily discern.
NASA's Jet Propulsion Laboratory News and Features
26 Mar 2020, 19:03 UTC
NASA's "Send Your Name to Mars" campaign invited people around the world to submit their names to ride aboard the agency's next rover to the Red Planet. Some 10,932,295 people did just that. The names were stenciled by electron beam onto three fingernail-sized silicon chips, along with the essays of the 155 finalists in NASA's "Name the Rover" contest.The chips were then were attached to an aluminum plate on NASA's Perseverance Mars rover at Kennedy Space Center in Florida on March 16. Scheduled to launch this summer, Perseverance will land at Jezero Crater on Feb. 18, 2021.
10.9 Million Names Now Aboard NASA's Perseverance Mars Rover
26 Mar 2020, 19:03 UTC
NASA's "Send Your Name to Mars" campaign invited people around the world to submit their names to ride aboard the agency's next rover to the Red Planet. Some 10,932,295 people did just that. The names were stenciled by electron beam onto three fingernail-sized silicon chips, along with the essays of the 155 finalists in NASA's "Name the Rover" contest.The chips were then were attached to an aluminum plate on NASA's Perseverance Mars rover at Kennedy Space Center in Florida on March 16. Scheduled to launch this summer, Perseverance will land at Jezero Crater on Feb. 18, 2021.
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Bad Astronomy
3 Apr 2020, 13:00 UTC
The closest star in the Universe to the Sun is Proxima Centauri. It's a red dwarf: Tiny, cool, faint, orbiting a pair of more Sun-like stars we collectively call Alpha Centauri. Unremarkable, even more so for being one of hundreds of billions of such stars in our Milky Way alone. Were it not so close to us — a mere 4.244 light years away, in a galaxy 120,000 light years across — we'd hardly pay it any attention.
A *second* possible planet for Proxima Centauri!
3 Apr 2020, 13:00 UTC
The closest star in the Universe to the Sun is Proxima Centauri. It's a red dwarf: Tiny, cool, faint, orbiting a pair of more Sun-like stars we collectively call Alpha Centauri. Unremarkable, even more so for being one of hundreds of billions of such stars in our Milky Way alone. Were it not so close to us — a mere 4.244 light years away, in a galaxy 120,000 light years across — we'd hardly pay it any attention.
NASA Space Station Blog
2 Apr 2020, 18:39 UTC
The International Space Station expanded its research capabilities overnight after robotics controllers installed a new external science platform. Meanwhile, the Expedition 62 crew is packing cargo for return to Earth while getting ready for its own departure.
Science Expands on Station, Dragon Departs on Monday
2 Apr 2020, 18:39 UTC
The International Space Station expanded its research capabilities overnight after robotics controllers installed a new external science platform. Meanwhile, the Expedition 62 crew is packing cargo for return to Earth while getting ready for its own departure.
Astronomy Now
2 Apr 2020, 16:27 UTC
Not so long ago, astronomers thought of the Milky Way’s central bulge as an old folks home where mostly ancient stars congregated and slowly moved about. But more recent observations, including this spectacular view captured by the Hubble Space Telescope, and an analysis of about 10,000 suns in the bulge reveal a much more dynamic environment where stars of various ages move about at different speeds. The faster, younger stars may have been captured as the Milky Way cannibalised smaller galaxies, mingling with older, slower-moving suns.
The Milky Way’s central bulge offers a jewel box packed with glittering stars
2 Apr 2020, 16:27 UTC
Not so long ago, astronomers thought of the Milky Way’s central bulge as an old folks home where mostly ancient stars congregated and slowly moved about. But more recent observations, including this spectacular view captured by the Hubble Space Telescope, and an analysis of about 10,000 suns in the bulge reveal a much more dynamic environment where stars of various ages move about at different speeds. The faster, younger stars may have been captured as the Milky Way cannibalised smaller galaxies, mingling with older, slower-moving suns.
Bad Astronomy
2 Apr 2020, 13:00 UTC
The James Webb Space Telescope (JWST) will be a revolution in astronomy. It sports a whopping 6.5-meter wide mirror, the largest that will ever have been flown into space, and will examine the Universe in infrared light, where asteroids, exoplanets, dust, black holes, and distant galaxies glow. It may reveal evidence of the first stars ever born, peer into atmospheres around planets orbiting other stars, and see the dying light of exploding stars farther than ever before.
Watch as the James Webb telescope unfolds its 18 gold-plated hex mirrors
2 Apr 2020, 13:00 UTC
The James Webb Space Telescope (JWST) will be a revolution in astronomy. It sports a whopping 6.5-meter wide mirror, the largest that will ever have been flown into space, and will examine the Universe in infrared light, where asteroids, exoplanets, dust, black holes, and distant galaxies glow. It may reveal evidence of the first stars ever born, peer into atmospheres around planets orbiting other stars, and see the dying light of exploding stars farther than ever before.
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