Artist's Illustration of Gas Streaming from GJ 3470b

Artist's Illustration of Gas Streaming from GJ 3470b

About this image

This artist's illustration shows a giant cloud of hydrogen streaming off a warm, Neptune-sized planet just 97 light-years from Earth. The exoplanet is tiny compared to its star, a red dwarf named GJ 3470. The star's intense radiation is heating the hydrogen in the planet's upper atmosphere to a point where it escapes into space. The alien world is
losing hydrogen at a rate 100 times faster than a previously observed warm Neptune whose atmosphere is also evaporating away.


Tags
Artwork, Exoplanets, Hubble Telescope

Credits

NASA, ESA, and D. Player (STScI)