Hubble’s work pushed the field of astronomy forward, starting with his paper demonstrating that some objects exist outside ...

THE 200 inch telescope on Palomar Mountain has recently been used for a detailed photometric and spectroscopic study of the globular clusters associated with the Andromeda nebula. This ...

Using variable stars as distance markers and the giant telescope on Mount Wilson, Edwin Hubble (then a young and little-known astronomer) was able to show that the Andromeda Nebula was over a ...

Astronomers, maybe more than anyone, appreciate what an island of perfection our Earth is. Our orbit may put us at a perfect distance from the sun for life to flourish, but it is too small to ...

Hubble had already used this knowledge in his 1924 discovery that the Andromeda nebula, containing a variable star, was more than 900,000 light years from Earth -- way beyond our own galaxy -- a ...

The Andromeda nebula, M31, was a prominent example ... In 1920, astronomers Harlow Shapley and Heber Curtis held a Great Debate. Shapley argued that the spiral nebulae were small and in the ...

Photo: Andromeda nebula plate with Hubble's handwritten circle around the variable star he discovered In 1919 American astronomer Edwin Hubble began work at the Mount Wilson Observatory in ...

The Hubble Space Telescope has produced the most comprehensive survey of the Andromeda galaxy ... Hubble's discovered the "magnificent" spiral nebula, the Hubble Space Telescope and NASA ...

The Andromeda nebula, M31, was a prominent example ... In 1920, astronomers Harlow Shapley and Heber Curtis held a Great Debate. Shapley argued that the spiral nebulae were small and in the ...