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 ...
7 unseen images of Spider Nebula captured by NASA
NASA has images of both the Spider Nebula and the Red Spider Nebula. The Spider Nebula is a star-forming region, while the Red Spider Nebula is a planetary nebula in the constellation Sagittarius. The ...
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The best objects to view and photograph along the Milky Way
It takes dark skies to find without aid, but the Dark Horse Nebula can be seen prancing across the sprawl of the Milky Way. Credit: John Chumack There are many bright nebulae and star clusters in ...
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The best objects to view and photograph along the Milky Way
The objects that follow include targets for the Milky Way photography enthusiast, the visual observer with plenty of aperture ...
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One large Milky Way galaxy or many galaxies? 100 years ago, a young Edwin Hubble settled astronomy’s ‘Great Debate’
Nature of the nebulae In 1610, astronomer Galileo Galilei used the newly invented telescope to show that the Milky Way was composed of a huge number of faint stars. For the next 300 years ...