Hubble image archive

Artist's Concept of AU Mic b

This artist's illustration shows a planet (dark silhouette) passing in front of the red dwarf star AU Microscopii. The planet is so close to the eruptive star a ferocious blast of stellar wind and blistering ultraviolet radiation is heating the planet's hydrogen atmosphere, causi...

Date
Jan 1, 2023
Mission
Hubble Space Telescope
Archive ID
hubblesite-images-2023-015-01h14t56xkqh1bzzsr0fdz9rk0
By

This artist's illustration shows a planet (dark silhouette) passing in front of the red dwarf star AU Microscopii. The planet is so close to the eruptive star a ferocious blast of stellar wind and blistering ultraviolet radiation is heating the planet's hydrogen atmosphere, causing it to escape into space. Four times Earth's diameter, the planet is slowly evaporating its atmosphere, which stretches out linearly along its orbital path. This process may eventually leave behind a rocky core. The illustration is based on measurements made by the Hubble Space Telescope.

Credits

Artwork

NASA, ESA, Joseph Olmsted (STScI)

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Source

Image and source material are credited to the official mission archive linked below.

View on NASA.gov

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