images

Oldest known planet in globular cluster M4

by

Nasa/Novapix

Reference

a-agb61-21003

Date

2006-05-08

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.