How astronomers make deep maps of the Milky Way
Have you ever wondered how astronomers manage to map out the Milky Way when it's so incredibly vast? One of the most powerful ...
Astronomy: Black hole in satellite galaxy hurls stars into Milky Way
At the edge of the Milky Way, there are a surprising number of hyper-fast stars that originate from outside. They apparently ...
Something Unexpected Is Spewing Stars Into the Milky Way
Fast-moving stars in the Milky Way indicate there could be a supermassive black hole in the neighboring Large Magellanic ...
One large Milky Way galaxy or many galaxies? 100 years ago, a young Edwin Hubble settled astronomy’s ‘Great Debate.’
In 1920, astronomers Harlow Shapley and Heber Curtis held a Great Debate. Shapley argued that the spiral nebulae were small ...
Space on MSN3d
NASA supercomputer finds billions of comets mimicking the Milky Way's shape: 'The universe seems to like spirals!'
"We found that some comets in the inner Oort cloud form a long-lasting spiral structure." Spirals are a repeating theme in ...
ScienceAlert on MSN17d
A Supermassive Black Hole Is on a Collision Course With The Milky Way
Once the two galaxies are merged, the supermassive hole in the Large Magellanic Cloud – if black hole there is – will make ...
Space on MSN2d
'Dark matter is more valuable than gold': Wobbly galaxies help shine a light on the universe's strangest stuff
"We are able to measure the local dark matter density using direct acceleration measurements for the first time." ...
Astronomers Just Found a Star System That Shouldn’t Exist Near a Supermassive Black Hole
A team of astronomers has found the first binary star system, D9, near the supermassive black hole Sagittarius A*. Previously ...
Made-to-order Milky Way photos: In Bisbee, even Burger King helps keep the skies dark
Arizona's dark skies are a haven for astronomers and photographers. Some communities are fighting to keep them that way.