News tagged with radioactive elements

Tracing the history of Earth

Although scientists have a general idea of when major events occurred during Earth’s 4.5-billion-year history, geologists would like to be able to pinpoint the exact dates of those events. Precise dates ...

dateNov 03, 2010 in Earth Sciences
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Seeing a Stellar Explosion in 3D (w/ Video)

(PhysOrg.com) -- Astronomers using ESO’s Very Large Telescope have for the first time obtained a three-dimensional view of the distribution of the innermost material expelled by a recently exploded star. ...

dateAug 04, 2010 in Astronomy
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