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 ...
Crab Nebula: NASA's Chandra X-Ray Laboratory released this composite of the Crab Nebula with data from Chandra (blue and white), Hubble (purple), and Spitzer (pink).
Nebulae are gigantic clouds of gas and dust that exist in space between stars. Check out 7 mesmerizing photos of this cosmic ...
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Next Full Moon Is Snow Moon
SkywatchingScienceSkywatchingThe Next Full Moon is the Snow… Skywatching HomeWhat's UpEclipsesExplore the Night SkyNight Sky ...
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40 cosmic questions and answers
These popular astronomy questions, answered by Astronomy magazine, will help you better understand our universe - and share ...
One large Milky Way galaxy or many galaxies?
In 1920, astronomers Harlow Shapley and Heber Curtis held a Great Debate. Shapley argued that the spiral nebulae were small and in the Milky Way, while Curtis took a more radical position that they ...
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NASA May Have Found The Fastest Planetary System We've Ever Seen
In the Milky Way's central bulge, about 24,000 light-years from Earth, a peculiar pair of objects appears to be hurtling ...
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NASA Just Found A Star System Breaking Every Speed Record
A newly discovered star system in the heart of the Milky Way is moving at unprecedented speeds. Scientists believe this ...
See The Best ‘Planet Parade’ For 40 Years As Venus Reaches Greatest Brilliancy
The four planet-strong "planet parade" currently visible to the naked eye in the night sky for a short time after sunset will ...
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China’s answer to SpaceX – SpaceNews
In this week’s episode of Space Minds meet Yao Song, a Chinese entrepreneur and CEO of Orienspace. Raised in a Communist revolution, Orienspace’s founder now ...
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John Wheeler: The Orion constellation dominates the evening sky this time of year
The middle star in the dagger is actually not a star, but the Orion Nebula, which through a telescope is revealed to be a ...
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Starwatch: A stellar star factory
As the name implies, the nebula resides in the great constellation Orion the Hunter. Even if you are not familiar with constellations, you probably recognize Orion — the mighty hunter with the ...