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> Oldest known planet in globular cluster M4
Oldest known planet in globular cluster M4
author: Nasa/Novapix
reference: a-agb61-21003
Image Size 300 DPI: 17 * 17 cm
Image of a starfield in the globular cluster M4. The green circle at right shows the location of a white dwarf star where a Jupiter-sized planet is orbiting. The planet is 2.5 times the mass of Jupiter. It is the oldest known planet identified. M4 is located 7000 light-years away in the summer constellation Scorpius.
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