Hubble took a plate of the Andromeda Galaxy (Messier 31) with the Hooker 100-inch telescope of ... with Hubble's writing of plate information at the top (Plate ID, M31, 45 min exposure on plate of ...
In 1920, astronomers Harlow Shapley and Heber Curtis held a Great Debate. Shapley argued that the spiral nebulae were small ...
A hundred years ago, astronomer Edwin Hubble dramatically expanded the size ... that the Milky Way was the entire universe. Charles Messier also produced a catalog of over 100 prominent nebulae ...
A hundred years ago, astronomer Edwin Hubble dramatically expanded the size ... that the Milky Way was the entire universe. Charles Messier also produced a catalog of over 100 prominent nebulae ...
A new image from the Hubble Space Telescope shows a cosmic cloudscape, with clouds of dust and gas swirling in beautiful colors.
A hundred years ago, astronomer Edwin Hubble dramatically expanded the size ... the nebulae were objects within the Milky Way. Charles Messier also produced a catalog of over 100 prominent nebulae ...
(THE CONVERSATION) A hundred years ago, astronomer Edwin Hubble dramatically expanded the ... been charged in a local home invasion. Charles Messier also produced a catalog of over 100 prominent ...