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Space photos: The most amazing images this week!

Space photos: The most amazing images this week!
Space
1/23/2021
© Provided by Space
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An Earth-observing satellite captures a gorgeous shot of the Sahara Desert, a comet photobombed the December 2020 total solar eclipse and NASA is less than one week away from landing its latest rover (and first helicopter) to the Martian surface. These are some of the top photos this week from Space.com.
Active galaxy ESO 253-3
This galaxy, known as ESO 253-3, displays the most predictable and frequent flares scientists have yet identified in an active galaxy. The image of ESO 253-3 seen here was captured by the European Space Observatory s Multi Unit Spectroscopic Explorer as part of the All-weather MUse Supernova Integral-field of Nearby Galaxies (AMUSING) survey. It s called an active galaxy because it has a very bright center that varies in luminosity. ....

Guelmim Es Smara , United States , New Zealand , Robert Markowitz , Mike Hopkins , Mars Rover , Chelsea Gohd , Tariq Malik , European Space Agency , Zealand Civil Aviation Authority , Dawn Aerospace , European Space Agency Copernicus , Stennis Space Center , Sahara Desert , European Space Observatory , Multi Unit Spectroscopic Explorer , Supernova Integral Field , Nearby Galaxies , Old Faithful , New Zealand Civil Aviation Authority , Perseverance Mars , Red Planet , Jezero Crater , Reconnaissance Orbiter , South American Cone , Heliospheric Observatory ,

This Black Hole Is Really Taking Its Time Eating a Poor Star

This Black Hole Is Really Taking Its Time Eating a Poor Star
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Filed to:all sky automated survey for supernovae
The star loses mass every time it passes the black hole. (Gif: NASA’s Goddard Space Flight Centre/Chris Smith (USRA/GESTAR))
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On November 14, 2014, a telescope spotted a burst of light in a galaxy 570 million light-years away. It was thought to be a supernova, an arrestingly bright explosion that marks a star’s death. This week, astronomers revealed that the burst was not a supernova after all, but rather a black hole having dinner one of many repeating “meals,” as the black hole slowly gobbles up a star stuck in its orbit. ....

United States , Shanna Payne , Tom Holoien , University Of Hawaii , Observatories Of The Carnegie Institution For Science , American Astronomical Society , Institute For Astronomy , American Astronomical , Carnegie Institution , Supernova Integral Field , Nearby Galaxies , ஒன்றுபட்டது மாநிலங்களில் , அண்ணா பேந் , பல்கலைக்கழகம் ஆஃப் ஹவாய் , அவதானிப்புகள் ஆஃப் தி கார்னகி நிறுவனம் க்கு அறிவியல் , அமெரிக்கன் வானியல் சமூகம் , நிறுவனம் க்கு வானியல் , அமெரிக்கன் வானியல் , கார்னகி நிறுவனம் , சூப்பர்நோவா ஒருங்கிணைந்த புலம் , அருகிலுள்ள விண்மீன் திரள்கள் ,

Mānoa: UH graduate student discovers long-sought 'Old Faithful' active galaxy

The centers of galaxies with actively feeding supermassive black holes are already astounding environments. Now, a team of researchers led by a graduate student from the University of Hawaiʻi Institute for Astronomy (IfA) has found an even more interesting oddball. Feeding black holes typically increase and decrease in brightness similar to the Kilauea volcano, becoming more or less active over time in unpredictable ways. However, the newly discovered black hole is more like Old Faithful geyser at Yellowstone National Park, erupting repeatedly at predictable times.
Astronomers classify galaxies with unusually bright and variable centers as active galaxies. The active centers can produce much more energy than the combined contribution of all the stars in the host galaxy. The excess energy can be seen at visible, ultraviolet, and X-ray wavelengths. Astrophysicists think the extra emission comes from near the galaxy’s central supermassive black hole, where a swirling dis ....

United States , Fellowmichael Tucker , Villum Fonden , Benjamin Shappee , Fellowanna Payne , University Of Hawai , Michael Tucker University Of Hawaii , Ohio State University , Cuba Astronomical Foundation , National Science Foundation , Institute For Astronomy , Yellowstone National Park , Betty Moore Foundation , Institute For Astronomy If , Student Teacher Astronomy Research , Chinese Academy Of Sciences South American Center , Sky Automated Survey For Supernovae , Exoplanet Survey Satellite , Old Faithful , All Sky Automated Survey , Asteroid Terrestrial Impact Last Alert System , Gehrels Swift Observatory , Las Cumbres Observatory , Science Graduate Fellowmichael Tucker , Very Large Telescope , Ifa Astronomer Benjamin Shappee ,