Friday, May 31, 2013

ScienceDaily: Astronomy News

ScienceDaily: Astronomy News


NASA's Magnetospheric Multiscale team assembles final observatory

Posted: 30 May 2013 12:23 PM PDT

On May 20, 2013, the Magnetospheric Multiscale, or MMS, mission team at NASA's Goddard Space Flight Center in Greenbelt, Md., reached an unprecedented milestone. The team mated the instrument and spacecraft decks to form the fourth and final MMS observatory. This is the first time Goddard has simultaneously engineered this many observatories, or spacecraft, for a single mission.

Radiation measured by NASA's Curiosity on voyage to Mars has implications for future human missions

Posted: 30 May 2013 11:59 AM PDT

Measurements taken by NASA's Mars Science Laboratory mission as it delivered the Curiosity rover to Mars in 2012 are providing NASA the information it needs to design systems to protect human explorers from radiation exposure on deep-space expeditions in the future.

Asteroid has its own moon, NASA radar reveals

Posted: 30 May 2013 11:53 AM PDT

A sequence of radar images of asteroid 1998 QE2 -- obtained by NASA scientists using the 230-foot (70-meter) Deep Space Network antenna at Goldstone, Calif. -- reveals that it is a binary asteroid. In the near-Earth population, about 16 percent of asteroids that are about 655 feet (200 meters) or larger are binary or triple systems.

Ancient streambed found on surface of Mars

Posted: 30 May 2013 11:20 AM PDT

Rounded pebbles on Mars represent the first on-site evidence of sustained water flows on the red planet, according to a new study.

Comet ISON is hurtling toward uncertain destiny with Sun

Posted: 30 May 2013 08:13 AM PDT

A new series of images from Gemini Observatory shows Comet C/2012 S1 racing toward an uncomfortably close rendezvous with the Sun. In late November the comet could present a stunning sight in the twilight sky and remain easily visible, or even brilliant, into early December of this year.

New mathematical model links space-time theories

Posted: 30 May 2013 06:46 AM PDT

Researchers have taken a significant step in a project to unravel the secrets of the structure of our Universe.

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