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Rogue Planet Cha 1107-7626 Accretes Gas at Record Speed

10/2/2025

25 3 Full Breakdown

Summary

Story summary

Cha 1107-7626, a rogue planet 620 light-years from Earth, accreting six billion tons of gas and dust per second—the fastest rate for planetary-mass objects.
The accretion burst unfolded over several months, suggesting Cha 1107-7626 may form similarly to stars.
Cha 1107-7626 weighs five to ten Jupiter masses and is one to two million years old.

History

Historical Context

The Hubble Space Telescope's first images of exoplanets in 1994 marked a pivotal moment in astronomy, leading to the discovery of over 5,000 exoplanets. Among these, Cha 1107-7626, which accretes gas at six billion tons per second, exemplifies the complex processes of planetary formation, enhancing our understanding of the universe's evolution and the potential for diverse planetary systems.

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Story summary

Cha 1107-7626, a rogue planet 620 light-years from Earth, accreting six billion tons of gas and dust per second—the fastest rate for planetary-mass objects.
The accretion burst unfolded over several months, suggesting Cha 1107-7626 may form similarly to stars.
Cha 1107-7626 weighs five to ten Jupiter masses and is one to two million years old.

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