Saturday, June 7, 2008

White Dwarfs

Traces of a White Dwarf

Credit: NASA, NOAO, H. Bond and K. Exter (STScI/AURA

The white dwarf is revealed thanks to our knowledge of the three body system, in this case three stars. We cannot see the white dwarf but its mass influence the orbits of the other stars so we can calculate EVERYTHING! :-)

Credit: NASA, ESA, and A. Feild (STScI)

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