Giant Glowing Object Found Close To Solar System

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Scientists have discovered a massive molecular cloud close to the solar system. As big as 40 full moons as seen from Earth, the vast structure — which poses no threat — is composed primarily of molecular hydrogen, the essential building block of stars and planets. Since Eos is so close to the solar system, the discovery could help scientists more closely study the early stages of how stars and planets form.

The vast cloud of hydrogen, which is shaped like a croissant, is one of the largest single structures in the sky and among the closest to the sun and Earth ever to be detected.

This one, named "Eos" by scientists, is 300 light-years from the solar system in the interstellar medium, the space between star systems that comprise gas and dust. It's this material from which new stars, and eventually planets, form.

"This opens up new possibilities for studying the molecular universe," said Blakseley Burkhart, associate professor in the Department of Physics and Astronomy at the Rutgers School of Arts and Sciences, New Jersey, lead author of a study published today in Nature Astronomy . "The data showed glowing hydrogen molecules detected via fluorescence in the far ultraviolet. This cloud is literally glowing in the dark."