Helium spotted in a comet like exoplanet for the first time

The planet is so close to its host star that the atmosphere is getting ripped off and pushed out, making it look like a comet with a long tail of gases pointing away from the star and it has helium in an excited state, making it possible to spot in the IR wavelength.

from IBTimes.co.in : Science https://ift.tt/2w61wdp