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fast-moving star is colliding with interstellar gas - Forum

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Forum » Main » Science, Astronomy, Nature » fast-moving star is colliding with interstellar gas
fast-moving star is colliding with interstellar gas
manuchandelDate: Sunday, 31-July-2022, 4:43 AM | Message # 1
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A fast-moving star is colliding with interstellar gas, creating a spectacular bow shock
by Brian Koberlein, Universe Today


multi-wavelength view of Zeta Ophiuchi. Credit: X-ray: NASA/CXC/Dublin Inst. Advanced Studies/S. Green et al.; Infrared: NASA/JPL/Spitzer

Zeta Ophiuchi has had an interesting life. It began as a typical large star about twenty times more massive than the sun. It spent its days happily orbiting a large companion star until its companion exploded as a supernova about a million years ago. The explosion ejected Zeta Ophiuchi, so now it is speeding away through interstellar space. Of course, the supernova also expelled the outer layers of the companion star, so rather than empty space, our plucky star is speeding through the remnant gas as well. As they say on Facebook, it's complicated. And that's great news for astronomers, as a recent study shows.

untotenawake
Read more/full article/source -
https://phys.org/news....as.html
 
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