Tag Archive for 'Gliese 436b'

This artist’s concept shows the huge cloud of hydrogen bleeding off of the Neptune-sized exoplanet Gliese 436b. Image credit: NASA / ESA / STScI / G. Bacon.

GJ 436b: Astronomers Discover Giant Comet-Like Tail on Neptune-Sized Exoplanet

Jun 25, 2015 by News Staff

Using the NASA/ESA Hubble Space Telescope, a group of astronomers has discovered an enormous cloud of hydrogen dispersing from the warm, Neptune-sized...