Ancient Planet
in a Globular Cluster Core

Hubble Ancient Planet
Hubble Ancient Planet
Item# H0319
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Product Description

A rich starry sky fills the view from an ancient gas-giant planet in the core of the globular star cluster M4, as imagined in this artist's concept. The 13-billion-year-old planet orbits a helium white-dwarf star and the millisecond pulsar B1620-26, seen at lower left. The globular cluster is deficient in heavier elements for making planets, so the existence of such a world implies that planet formation may have been quite efficient and common in the early universe.

Illustration Credit: NASA and G. Bacon (STScI)



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