Astronews Daily (2455492)

October 21, 2010 20:11 by scibuff

Top Stories

Call for media: reacting to threat of asteroid impacts – How would the world react to the threat of an asteroid impact? The media are invited to meet top-level experts at ESA’s space operations centre in Germany on 29 October to find out more. –ESA

Understanding the Unusual LCROSS Ejecta Plume – LCROSS was an unusual mission, in that it relied on an impact to be able to study a planetary body. Not only was the mission unusual, but so was the ejecta plume produced by slamming a hollow Centaur rocket booster into the Moon. “A normal impact throws debris out more than up, like an inverted lampshade that gets wider and wider as it goes out,” said Pete Schultz, from Brown University and a member of the LCROSS science team. –Nancy Atkinson / Universe Today

NASA Missions Uncover The Moon’s Buried Treasures – Nearly a year after announcing the discovery of water molecules on the moon, scientists Thursday revealed new data uncovered by NASA’s Lunar CRater Observation and Sensing Satellite, or LCROSS, and Lunar Reconnaissance Orbiter, or LRO. –NASA/LCROSS

New Cometary Phenomenon Greets Approaching Spacecraft – Recent observations of comet Hartley 2 have scientists scratching their heads, while they anticipate a flyby of the small, icy world on Nov. 4. –NASA/JPL

[more stories]

Videos

Bo Zhou has found a very bright sun-grazing Kreutz-group comet hours before a toasty demise in the Sun's outer atmosphere - Courtesy of SOHO/LASCO C3 consortium. SOHO is a project of international cooperation between ESA and NASA.

  

Photos

Active Region SN1112

Active Region SN1112

Bubble and M52

Bubble and M52

Isla de Margarita, Isla Cubagua, Coche, Sucre

Isla de Margarita, Isla Cubagua, Coche, Sucre

The Bechar Basin of northwest Algeria

The Bechar Basin of northwest Algeria

  

Gallery Pick of the Day

Titan and Rhea

Titan is precisely twice as far from Cassini than Rhea here. As a result, in relative size Rhea appears exactly 2x larger than it actually is, compared to Titan's size. - Credit: NASA/Cassini

The photo above is “Pick of the Day” from one of the three galleries: Astronomy Gallery, Space Shuttle Gallery and Space Station Gallery.

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