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First of NASA's GRAIL spacecraft enters Moon orbit

(PhysOrg.com) -- The first of two NASA spacecraft to study the moon in unprecedented detail has entered lunar orbit.

Space & Earth / Space Exploration

created Jan 01, 2012 | popularity 4.1 / 5 (9) | comments 15 | with audio podcast

Cassini data shows Saturn moon may affect planet's magnetosphere

Scientists have been puzzled by periodic bursts of radiation, known as the Saturn kilometric radiation (SKR), that occur in the planet's magnetosphere. These emissions occur at a rate that is close to, but ...

Space & Earth / Space Exploration

created Dec 31, 2011 | popularity not rated yet | comments 0

NASA's GRAIL-A spacecraft 24 hours away from Moon

(PhysOrg.com) -- NASA's Gravity Recovery And Interior Laboratory (GRAIL)-A spacecraft is within 24 hours of its insertion burn that will place it into lunar orbit. At the time the spacecraft crossed the milestone ...

Space & Earth / Space Exploration

created Dec 31, 2011 | popularity 3.7 / 5 (9) | comments 6 | with audio podcast

South polar region of Titan, Saturn's largest moon

(PhysOrg.com) -- This view from NASA's Cassini spacecraft looks toward the south polar region of Saturn's largest moon, Titan, and shows a depression within the moon's orange and blue haze layers near the ...

Space & Earth / Space Exploration

created Dec 29, 2011 | popularity 3 / 5 (2) | comments 0

NASA twin spacecraft GRAIL on final approach for moon orbit

(PhysOrg.com) -- NASA's twin spacecraft to study the moon from crust to core are nearing their New Year's Eve and New Year's Day main-engine burns to place the duo in lunar orbit.

Space & Earth / Space Exploration

created Dec 28, 2011 | popularity 4 / 5 (13) | comments 8 | with audio podcast

Russian spacecraft delivers 3 to orbiting station

A Soyuz spacecraft safely delivered a Russian, an American and a Dutchman to the International Space Station on Friday, restoring the permanent crew to six members for the first time since September.

Space & Earth / Space Exploration

created Dec 25, 2011 | popularity 5 / 5 (2) | comments 5

Dawn sends first low altitude images of Vesta

(PhysOrg.com) -- NASA's Dawn spacecraft has sent back the first images of the giant asteroid Vesta from its low-altitude mapping orbit. The images, obtained by the framing camera, show the stippled and lumpy ...

Space & Earth / Space Exploration

created Dec 21, 2011 | popularity 4.2 / 5 (10) | comments 3 | with audio podcast

New evidence for complex molecules on Pluto's surface

(PhysOrg.com) -- The new and highly sensitive Cosmic Origins Spectrograph aboard the Hubble Space Telescope has discovered a strong ultraviolet-wavelength absorber on Pluto's surface, providing new evidence ...

Space & Earth / Space Exploration

created Dec 20, 2011 | popularity 4.9 / 5 (12) | comments 2 | with audio podcast

NASA considers sending a telescope to outer solar system

Light pollution in our inner solar system, from both the nearby glow of the Sun and the hazy zodiacal glow from dust ground up in the asteroid belt, has long stymied cosmologists looking for a clearer take ...

Space & Earth / Space Exploration

created Dec 20, 2011 | popularity 4.8 / 5 (9) | comments 30

Russia's Mars probe will crash to Earth in January

A Russian spacecraft bound for a moon of Mars and stuck in Earth's orbit will come crashing back next month, but its toxic fuel and radioactive material on board will pose no danger of contamination, the Russian ...

Space & Earth / Space Exploration

created Dec 16, 2011 | popularity 4.5 / 5 (6) | comments 44

NASA Mars-bound rover begins research in space

(PhysOrg.com) -- NASA's car-sized Curiosity rover has begun monitoring space radiation during its 8-month trip from Earth to Mars. The research will aid in planning for future human missions to the Red Planet.

Space & Earth / Space Exploration

created Dec 14, 2011 | popularity 5 / 5 (4) | comments 0

Portraits of moons captured by Cassini

(PhysOrg.com) -- NASA's Cassini spacecraft successfully completed its closest-ever pass over Saturn's moon Dione on Monday, Dec. 12, slaloming its way through the Saturn system on its way to tomorrow's close ...

Space & Earth / Space Exploration

created Dec 13, 2011 | popularity not rated yet | comments 0

Dawn spacecraft spirals down to lowest orbit

(PhysOrg.com) -- NASA's Dawn spacecraft successfully maneuvered into its closest orbit around the giant asteroid Vesta today, beginning a new phase of science observations. The spacecraft is now circling Vesta ...

Space & Earth / Space Exploration

created Dec 13, 2011 | popularity 4.6 / 5 (8) | comments 4 | with audio podcast

Is Vesta the 'smallest terrestrial planet?'

NASA's Dawn spacecraft spent the last four years voyaging to asteroid Vesta – and may have found a planet.

Space & Earth / Space Exploration

created Dec 12, 2011 | popularity 4.5 / 5 (13) | comments 9 | with audio podcast

Cassini to make a double play

(PhysOrg.com) -- In an action-packed day and a half, NASA's Cassini spacecraft will be making its closest swoop over the surface of Saturn's moon Dione and scrutinizing the atmosphere of Titan, Saturn's largest ...

Space & Earth / Space Exploration

created Dec 12, 2011 | popularity 5 / 5 (3) | comments 4 | with audio podcast