Cygnus Spacecraft seen from the International Space Station at Sunrise

Orbital ATK's Cygnus resupply ship with its cymbal-ike UltraFlex solar arrays approaches the International Space Station's robotic arm Canadarm2 as both spacecraft fly into an orbital sunrise on November 14, 2017.The cargo craft carried almost 7,400 pounds of crew supplies, science experiments, spacewalk gear, station hardware and computer parts....

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U Antliae

Astronomers have used ALMA to capture a strikingly beautiful view of a delicate bubble of expelled material around the exotic red star U Antliae. These observations will help astronomers to better understand how stars evolve during the later stages of their life-cycles.In the faint southern constellation of Antlia (The...

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Exoplanet 55 Cancri e

The super-Earth exoplanet 55 Cancri e, depicted with its star in this artist's concept, likely has an atmosphere thicker than Earth's but with ingredients that could be similar to those of Earth's atmosphere.Twice as big as Earth, the super-Earth 55 Cancri e was thought to have lava flows on...

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Amazon River seen from the International Space Station

Image Credit: ESA/NASA...

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Galaxy Cluster Abell 665

The Universe contains some truly massive objects. Although we are still unsure how such gigantic things come to be, the current leading theory is known as hierarchical clustering, whereby small clumps of matter collide and merge to grow ever larger. The 14-billion-year history of the Universe has seen the...

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Exoplanet Ross 128 b

A temperate Earth-sized planet has been discovered only 11 light-years from the Solar System by a team using ESO’s unique planet-hunting HARPS instrument. The new world has the designation Ross 128 b and is now the second-closest temperate planet to be detected after Proxima b. It is also the...

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Clouds seen from the International Space Station

Expedition 53 Flight Engineer Paolo Nespoli of the European Space Agency (ESA) photographed cloudy skies over Sudan during an International Space Station flyover on October 22, 2017.Image Credit: ESA/NASA...

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Spiral Galaxy NGC 4625

This taken by the NASA/ESA Hubble Space Telescope, shows the dwarf galaxy NGC 4625, located about 30 million light-years away in the constellation of Canes Venatici (The Hunting Dogs). The image, acquired with the Advanced Camera for Surveys (ACS), reveals the single spiral arm of the galaxy, which gives...

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Exoplanet Kepler-13Ab

This illustration shows the seething hot planet Kepler-13Ab that circles very close to its host star, Kepler-13A. On the nighttime side the planet's immense gravity pulls down titanium oxide, which precipitates as snow. Seen in the background is the star's binary companion, Kepler-13B, and the third member of the...

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