Planetary Science

Planetary Science



Solar Array Checkout for Juno

Technicians at Astrotech's payload processing facility in Titusville, Fla. stow solar array #2 against the body of NASA's Juno spacecraft. Image credit: NASA/JPL-Caltech/KSC Larger image

Lunar Magma Has 100 Times More Water Than Previously Suggested

A team of NASA-funded researchers has measured for the first time water from the moon in the form of tiny globules of molten rock, which have turned to glass-like material trapped within crystals. Data from these newly-discovered lunar melt inclusions indicate the water content of lunar magma is 100 times higher than previous studies suggested.

Video: All About the OSIRIS-REx Mission

Mars' Rapid Formation Explains Its Small Size Relative to Earth

Mars developed in as little as two to four million years after the birth of the solar system, far more quickly than Earth, according to results of a new study published in this week's issue of the journal Nature.

Cassini Image: Scanning Enceladus' Surface

The Cassini spacecraft surveys the surface of Saturn's moon Enceladus in this image, which shows newly created terrain in the upper right meeting older, cratered terrain in the lower left. This view is centered on terrain at 5 degrees south latitude, 200 degrees west longitude.

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