Planck Observatory

20091.5 m mirrorESA

LocationSpace (L2)

Year2009

Size1.5 m mirror

OperatorESA

About Planck Observatory

Mapped the cosmic microwave background in unprecedented detail. Determined the age of the universe as 13.82 billion years. Confirmed the universe is flat to within 0.4%. Decommissioned in 2013 after completing its survey. Data still being analyzed.

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