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Astronomy

NASA TV Coverage of European Mission Comet Touchdown

Artist’s concept of Rosetta shortly before hitting Comet 67P/Churyumov-Gerasimenko on Sept. 30, 2016. Image credit: ESA/ATG medialab Click for a full size image NASA TV Coverage of European Mission Comet Touchdown NASA Television and the agency’s website will air the …

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ALMA Catches Stellar Cocoon with Curious Chemistry

This artist’s impression shows the molecules found in a hot molecular core in the Large Magellanic Cloud using ALMA. This core is the first such object to be found outside the Milky Way, and it has significantly different chemical makeup …

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Bright outbursts seen blasting from Comet 67P

Bright outbursts seen blasting from Comet 67P Rosetta snaps images of short-lived jets. So what’s behind the dusty explosions? Brief but powerful blasts of material from Comet 67P/Churyumov–Gerasimenko as it neared the sun are reported in the Monthly Notices of …

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Hubble: Possible Water Plumes on Jupiter’s Moon Europa

This composite image shows suspected plumes of water vapor erupting at the 7 o’clock position off the limb of Jupiter’s moon Europa. The plumes, photographed by NASA’s Hubble’s Space Telescope Imaging Spectrograph, were seen in silhouette as the moon passed …

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Hubble helps find light-bending world with two suns

Click for a full size image This artist’s impression shows a gas giant planet circling the two red dwarf stars in the system OGLE-2007-BLG-349, located 8 000 light-years away. The planet — with a mass similar to Saturn — orbits …

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ALMA Explores the Hubble Ultra Deep Field

This image combines a background picture taken by the NASA/ESA Hubble Space Telescope (blue/green) with a new very deep ALMA view of this field (orange, marked with circles). All the objects that ALMA sees appear to be massive star-forming galaxies. …

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ALMA Uncovers Secrets of Giant Space Blob

Click for a full size image Computer simulation of a Lyman-alpha Blob This rendering shows a snapshot from a cosmological simulation of a Lyman-alpha Blob similar to LAB-1. This simulation tracks the evolution of gas and dark matter using one …

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A Mixed-reality Trip to Mars

A Mixed-reality Trip to Mars Apollo 11 astronaut Buzz Aldrin, right, and Erisa Hines of NASA’s Jet Propulsion Laboratory in Pasadena, California.A ceremonial ribbon is cut for the opening of new ‘Destination: Mars’ experience at the KSC visitor complex in …

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Solar System Could Have Evolved From Poorly Mixed Elemental Soup

Nicolas Dauphas, the Louis Block Professor in Geophysical Sciences, holds a chondrite meteorite that contains a puzzling mismatch in isotopic composition with Earth’s crust. The mismatch puzzles scientists because they long believed that Earth formed from planetary objects similar to …

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Cassini Begins Epic Final Year at Saturn

Click for a full size image Saturn, Approaching Northern Summer Since NASA’s Cassini spacecraft arrived at Saturn in mid-2004, the planet’s appearance has changed greatly. The shifting angle of sunlight as the seasons march forward has illuminated the giant hexagon-shaped …

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