Astronomers Find Massive Space ‘Cavity’ Possibly Left Behind by Explosion - Gizmodo

* Astronomers Find Massive Space ‘Cavity’ Possibly Left Behind by Explosion  Gizmodo * The Perseus-Taurus Supershell  Center for Astrophysics * Astronomers Have Discovered a Gigantic Sphere-Shaped Cavity in Space  SciTechDaily * Astronomers Find Huge Spherical Cavity in Milky Way Galaxy  Sci-News.com * Gigantic Cavity in Space Sheds New Light on How Stars Form  Center for Astrophysics * View Full Coverage on Google News
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