wonders-of-the-cosmos:
“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...

wonders-of-the-cosmos:

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.

Observations from NASA’s Spitzer Space Telescope suggest that most brown dwarfs are roiling with one or more planet-size storms akin to Jupiter’s “Great Red Spot.” Brown dwarfs are much smaller and cooler than our sun. They might not be massive enough to have a core that performs nuclear reactions, but they do have extreme conditions. Using the Spitzer Space Telescope astronomers were able to find evidence that most, if not all, brown dwarfs have intense storms of molten iron moving at high speeds.
Image credit: NASA/JPL/ University of Western Ontario/Stony Brook University - Jon Lomberg

#browndwarf #anãmarron #star #estrela #space #spitzer #espaço #astronomia #astronomy #storm #ironrain
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