Sun As Seen in High-Energy X-Rays

Sun As Seen in High-Energy X-Rays

For the first time, a mission designed to set its eyes on black holes and other objects far from our solar system has turned its gaze back closer to home, capturing images of our sun.

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The Sun Provides a Spectacular Holiday Solar Flare

The Sun Provides a Spectacular Holiday Solar Flare

The sun emitted a significant solar flare, peaking at 7:24 p.m. EST on Dec. 19, 2014. NASA's Solar Dynamics Observatory, which watches the sun constantly, captured an image of the event.

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Famous Rocks in Space

Famous Rocks in Space

Douglas H. Wheelock @Astro_Wheels A piece of the 'Sea of Tranquility' & Mt. Everest on the #ISS, from my 'ol pal 'Spike', @AstroDocScott

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Hubble Sweeps a Messy Star Factory

Hubble Sweeps a Messy Star Factory

This sprinkle of cosmic glitter is a blue compact dwarf galaxy known as Markarian 209. Galaxies of this type are blue-hued, compact in size, gas-rich, and low in heavy elements.

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The Hot Blue Stars of Messier 47

The Hot Blue Stars of Messier 47

This spectacular image of the star cluster Messier 47 was taken using the Wide Field Imager camera, installed on the MPG/ESO 2.2-metre telescope at ESO's La Silla Observatory in Chile.

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Rosetta's Comet: Shades of Grey

Rosetta's Comet: Shades of Grey

Like many small bodies in space such as most asteroids, Rosetta's comet 67P appears grey.

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Great Lakes and Central U.S. Viewed From the International Space Station

Great Lakes and Central U.S. Viewed From the International Space Station

From the International Space Station, Expedition 42 Commander Barry Wilmore took this photograph of the Great Lakes and central U.S. on Dec. 7, 2014, and posted it to social media.

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Plankton-full Patagonian Waters As Seen From Space

Plankton-full Patagonian Waters As Seen From Space

Late spring and summer weather brings blooms of color to the Atlantic Ocean off of South America, at least from a satellite view.

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Hubble Spies Charming Spiral Galaxy Bursting with Stars

Hubble Spies Charming Spiral Galaxy Bursting with Stars

The NASA/ESA Hubble Space Telescope observes some of the most beautiful galaxies in our skies -- spirals sparkling with bright stellar nurseries, violent duos ripping gas and stars away from one another as they tangle together, and ethereal irregular galaxies that hang like flocks of birds suspended in the blackness of space.

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Night View of Typhoon Hagupit From Orbit

Night View of Typhoon Hagupit From Orbit

@AstroTerry - Terry W. Virts This storm looks amazingly dangerous - praying for the people of the Phillipines

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More OnOrbit stories from December.