Lunar Reconnaissance Orbiter Reveals Ice Content in Shackleton Crater
NASA’s Lunar Reconnaissance Orbiter (LRO) spacecraft has returned data that indicate ice may make up as much as 22 percent of the surface material in a…
Read the guideDay: July 2, 2012
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Earth’s Magnetic Field Has Hidden Portals
A favorite theme of science fiction is “the portal”–an extraordinary opening in space or time that connects travelers to distant realms. A good portal is a…
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