Dark ages seen in new light

(PhysOrg.com) -- Remnants of the first stars have helped astronomers get closer to unlocking the “dark ages” of the cosmos.

New findings expand Apollo observations of lunar atmosphere

In December 1972 the astronauts of Apollo 17-the last manned mission to the moon-deployed the Lunar Atmospheric Composition Experiment (LACE), a spectrometer designed to measure and characterize the thin lunar atmosphere. ...

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