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Mercury History Masked Volcanic Activity
2013-07-05 11:03:48

According to an analysis of images provided by NASA's Mercury-orbiting MESSENGER, a period of heavy volcanic activity gave Mercury a makeover about 4 billion years ago, erasing the first 400 to 500 million years of its history.

Mickey Mouse Seen On Mercury
2012-06-19 06:49:23

NASA's MESSENGER probe has sent back an image from Mercury that is either an alien's sense of humor, or a few asteroid's depiction of Mickey Mouse on the sun-baked planet.

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2011-03-31 05:00:00

NASA released the first batch of hundreds of photos taken by MESSENGER during its orbit of Mercury on Wednesday.

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2010-08-20 07:45:57

Earth’s next-door neighbor, the Moon, has been found by astronomers to be shrinking.

2010-08-19 13:36:00

GREENBELT, Md., Aug. 19 /PRNewswire-USNewswire/ -- 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 (LRO) spacecraft.

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2008-07-03 15:45:00

Scientists have argued about the origins of Mercury's smooth plains and the source of its magnetic field for more than 30 years.


Word of the Day
ecotone
  • A transitional zone between two communities containing the characteristic species of each.
The word 'ecotone' comes 'eco-' plus a Greek root meaning 'tension'.