For humans, the most important star in the universe is our sun. The second-most important star is nestled inside the ...

Using variable stars as distance markers and the giant telescope on Mount Wilson, Edwin Hubble (then a young ... have measured the distance to the Andromeda Galaxy much more precisely; they ...

This is the largest photomosaic ever assembled from Hubble Space Telescope observations. It is a panoramic view of the neighboring Andromeda galaxy, located 2.5 million light-years away.

In commemoration of Edwin Hubble's discovery of a Cepheid variable class star, called V1, in the neighboring Andromeda galaxy 100 years ago, astronomers partnered with the American Association of ...

The authors stress that because the galaxy is so faint, there is still much to learn about Andromeda XXXV. The researchers’ detailed observations were completed with Hubble, but the newer James ...

Edwin Powell Hubble is renowned for determining that there are other galaxies in the Universe beyond the Milky Way, and for observing that the universe is expanding at a constant rate. Hubble was a ...

On 1 January 1925, US astronomer Henry Norris Russell made a startling announcement to the American Astronomical Society in Washington DC: observations by fellow astronomer Edwin Hubble showed ...

Hubble Space Telescope reveals richest view of Andromeda galaxy to date (image) ...