Astrophysical object

Brown Dwarf

Cosmology & UniverseEstablished Science

Definition

A 'failed star' too massive to be a planet but too light to sustain hydrogen fusion.

Scientific overview

Brown dwarfs occupy the gap between the largest planets and the smallest stars, roughly 13 to 80 Jupiter masses. They glow faintly from residual heat and were confirmed observationally in 1995.

Measured by

WISE

Knowledge connections

Measured byWISE

Sources & references

Facts on this topic will be cited from these primary and reference sources.

NASANational Aeronautics and Space Administration
Mission data, planetary science, space telescopes, and public-domain imagery.
Most NASA-produced imagery is in the public domain; individual items are checked for usage terms before publication.

Loading…