Scientists find evidence for widespread water ice on the moon

Scientists from NASA’s Diviner Lunar Radiometer Experiment team have detected the widespread presence of water ice in large areas of the moon’s south pole.
Their findings appear Oct. 22 in two papers published in the journal Science. The researc…

How to weigh a star using a moon

How do astronomers weigh a star that’s trillions of miles away and way too big to fit on a bathroom scale? In most cases they can’t, although they can get a best estimate using computer models of stellar structure.
New work by astrophysicist…

NASA’S LRO exposes moon’s complex, turbulent youth

The moon was bombarded by two distinct populations of asteroids or comets in its youth, and its surface is more complex than previously thought, according to new results from NASA’s Lunar Reconnaissance Orbiter (LRO) spacecraft featured in three…

NASA’s LRO reveals ‘incredible shrinking moon’

GREENBELT, Md. — Newly discovered cliffs in the lunar crust indicate the moon shrank globally in the geologically recent past and might still be shrinking today, according to a team analyzing new images from NASA’s Lunar Reconnaissance Orbiter …

Good viewing expected for total lunar eclipse May 15

Experience total lunacy on Thursday, May 15, as the moon moves completely into the Earth’s shadow. Lunar eclipses occur, on average, twice a year. A good viewing, however, happens only every few years. Barring clouds the eclipse should be one of the best since January 2000. The next one will occur this year on Nov. 8.

Featherweight Jupiter Moon Is Likely a Jumble of Pieces

NASA’s Galileo spacecraft continues to deliver surprises with the discovery that Jupiter’s potato-shaped inner moon, named Amalthea, appears to have a very low density, indicating it is full of holes. “The density is unexpectedly low,” said Dr. John D. Anderson, an astronomer at NASA’s Jet Propulsion Laboratory, Pasadena, Calif. “Amalthea is apparently a loosely packed pile of rubble.” The empty gaps between solid chunks likely take up more of the moon’s total volume than the solid pieces, and even the chunks are probably material that is not dense enough to fit some theories about the origin of Jupiter’s moons. “Amalthea now seems more likely to be mostly rock with maybe a little ice, rather than a denser mix of rock and iron,” said JPL’s Dr. Torrence Johnson, project scientist for Galileo.

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