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- fathom-the-universe:
The Red Rectangle Nebula
The Red Rectangle Nebula is a binary star system where
one of the stars is in the final stages of its life. The two stars are
very close and orbit each other every 10 1/2 months. One star is forming
a planetary nebula with a characteristic rectangular shape. The star is
ejecting gas in two oppositely spaced cones. We see the cones side on
and they look like an “X”. The lines in the X are created by the
regularly spaced outbursts of gas. The unusual colours of the gas are
not well understood, but it is suspected that they are at least
partially created by hydrocarbon molecules that could be the building
blocks of life.
Fathom the Universe
Photo credit: NASA Hubble Telescope
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