ATLANTIC SKIES: How did our galaxy's black hole get so big?
Located approximately 27,000 light-years (one light year equals approximately nine trillion kilometres) from Earth — relatively close when it comes to galactic black holes — Sag A* has an estimated mass of about four million solar masses (one solar mass equals the mass of our sun).
ASTRONOMERS may have just found the fastest exoplanet system in the galaxy – a super-Neptune world orbiting a hypervelocity ...
In 1920, astronomers Harlow Shapley and Heber Curtis held a Great Debate. Shapley argued that the spiral nebulae were small and in the Milky Way, while Curtis took a more radical position that they ...
But only one galaxy stands out as the most important nearby stellar island to our Milky Way—the magnificent Andromeda galaxy (Messier 31). It can be seen with the naked eye on a very clear ...
Astronomers detect signs of a massive, invisible black hole in the Large Magellanic Cloud, which may collide with the Milky ...
Scientists have discovered an enormous radio galaxy 32 times the size of the Milky Way. They nicknamed it "Inkathazo," or ...
The Bullseye galaxy earned its nickname thanks to its wild number of rings. A smaller galaxy shot through its heart 50 ...
Hubble Telescope previously discovered eight rings of the gargantuan structure, but astronomers confirmed the ninth ring with ...
Astronomers trace the striking pattern to an encounter between a big galaxy and a much smaller one some 50 million years ago.
Astronomers discover two new supernova remnants in the Large Magellanic Cloud, providing insights into stellar explosions and their role in shaping galaxy evolution.
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