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Welcome to the Universe

Discover the universe: Learn about the history of the cosmos, what it's made of, and so much more.

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Worlds beyond our solar system.

Giant balls of hot gas that burn for millions to billions of years. 

Concentrations of matter with gravity so powerful not even light can escape.

Collections of stars, planets, and vast clouds of gas and dust bound together by gravity.

Cotton Candy Clouds

This vibrant swirl of gas and dust lives in the Large Magellanic Cloud, 160,000 light-years away.

NASA’s Hubble combined ultraviolet, visible, and infrared light to form this vibrant, data-rich view of star-forming regions in one of the Milky Way’s closest galactic neighbors.

Learn more about Cotton Candy Clouds
Part of a nebula in space. Layers of gas and dust clouds in different colors, from blue and green shades to pink, red, and black, each indicating light emitted by different molecules, comprise the nebula. The background cloud layers are thicker and puffier, though still translucent, and the upper layers are thin and bright at the edges. Behind the clouds are many small, mostly orange and some blue, stars.

NuSTAR celebrates 13 years in orbit

The NuSTAR (Nuclear Spectroscopic Telescope Array) mission studies the universe in high energy X-rays to better understand the dynamics of black holes, exploding stars, and the most extreme active galaxies.

Listen to the Small Steps, Giant Leaps Podcast about NuSTAR celebrates 13 years in orbit
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