In 1920, astronomers Harlow Shapley and Heber Curtis held a Great Debate. Shapley argued that the spiral nebulae were small ...

Predictions are uncertain, but the solar system may be pushed farther from the galactic core or even ejected entirely from ...

At a meeting of the American Astronomical Society in January 1925, a paper read by one of his colleagues on his behalf reported that the Andromeda ... of the Milky Way. Hubble’s work opened the door ...

In 1610, astronomer Galileo Galilei used the newly invented telescope to show that the Milky Way was composed of ... naked eye from a dark site. The Andromeda galaxy, then known as the Andromeda ...

While Andromeda, the closest galaxy to our Milky Way, is moving toward us, further measurements of other galaxies by Hubble and Belgian astronomer Georges Lemaître subsequently found that more ...

STARGAZERS are in for a treat this month as a rare planet parade falls in Andromeda galaxy season ... which is about twice the size of the Milky Way. Dr Dan Brown, an astronomy expert here ...

In approximately four billion years, scientists predict that our Milky Way will crash into the Andromeda Galaxy—our closest galactic neighbor—but that will be a more complex collision than the ...