Blog Post Image: Stormy Stars? NASA’s Spitzer Probes Weather on Brown Dwarfs

This artist’s concept shows what the weather might look like on cool star-like bodies known as brown dwarfs. These giant balls of gas start out life like stars, but lack the mass to sustain nuclear fusion at their cores, and instead, fade and cool with time. Image credit: NASA/JPL-Caltech/University of Western Ontario/Stony Brook University