New evidence from an ancient lunar rock suggests that the moon once harbored a long-lived dynamo — a molten, convecting core of liquid metal that generated a strong magnetic field 3.7 billion years ago. The findings, ...
Space Exploration
Jan 27, 2012
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(PhysOrg.com) -- Back in the heyday of the Apollo moon program, hundreds of pounds of rock samples were carted back to Earth by visiting astronauts. Those samples were then pored over more thoroughly by geologists than perhaps ...
The presence of magnetized rocks on the surface of the moon, which has no global magnetic field, has been a mystery since the days of the Apollo program. Now a team of scientists has proposed a novel mechanism that could ...
Space Exploration
Nov 9, 2011
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Many of us think of our nearest celestial neighbor as having few secrets to give up. However, we are still finding out new things about the moon. The latest discovery is of two types of moon rock not seen before. The last ...
Researchers at the University of Tennessee, Knoxville, are once again turning what scientists thought they knew about the moon on its head.
Space Exploration
Jul 21, 2010
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(PhysOrg.com) -- A new theory suggests the Moon was formed after a natural nuclear explosion in the Earth's mantle rather than after the impact of a massive object with the Earth, as previously thought.
(PhysOrg.com) -- If humans ever create a lunar base, one of the biggest challenges will be figuring out how to breathe. Transporting oxygen to the moon is extremely expensive, so for the past several years NASA has been looking ...
(PhysOrg.com) -- The bombardment of Earth nearly 4 billion years ago by asteroids as large as Kansas would not have had the firepower to extinguish potential early life on the planet and may even have given it a boost, says ...
Earth Sciences
May 20, 2009
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(PhysOrg.com) -- The collection of rocks that the Apollo astronauts brought back from the moon carried with it a riddle that has puzzled scientists since the early 1970s: What produced the magnetization found in many of those ...
Space Exploration
Jan 15, 2009
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NASA finally has counted up all the asteroid samples returned by a spacecraft last fall—and it's double the rubble return goal.
Space Exploration
Feb 16, 2024
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