When seen in visible light Zeta Ophiuchi appears as a relatively dim red star surrounded by other dim stars and no dust. But in this infrared image taken with NASA's WISE a completely different view emerges. Zeta Ophiuchi is actually a very massive, hot, bright blue star plowing its way through a large cloud of interstellar dust and gas. It was likely once part of a binary star system with an even more massive partner that exploded as a supernova, blasting away most of its mass.
For the first time, researchers have detected a streamer of gas flowing from a massive outer disc toward the inner reaches of a binary star system. This never-before-seen feature may be responsible for sustaining a second, smaller disc of planet-forming material that otherwise would have disappeared long ago. Half of Sun-like stars are born in binary systems, meaning that these findings will have major consequences for the hunt for exoplanets. (ESO)
Merging Galaxies Bursting With Light - NGC 2207 and IC 2163 Just like our Milky Way galaxy, NGC 2207 and IC 2163 are sprinkled with many star systems known as X-ray binaries, which consist of a star in a tight orbit around either a neutron star or a stellar-mass black hole.
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