7.07.2009

Deep Freeze in Summer
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Planck and Herschel, probes launched by the European Space Agency, are now the coldest known objects in the universe, just .1 degree C north of absolute zero.


Flash rendering of a probe and Earth

As they head toward the targeted Lagrange point, a manifestation of a theoretical loophole in planetary gravitational behavior in the solar system, the devices are looking for remnants of the Big Bang that started the known universe, and the chill facilitates sensitivity of the onboard instruments in this task.

article

The Story of the Herschels (HTML) off-copyright in U.S.

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