Five Supermassive Black Holes discovered

Astronomers have found evidence for a large population of hidden supermassive black holes in the Universe. Using NASA’s Nuclear Spectroscopic Telescope Array (NuSTAR) satellite observatory, the team of international scientists detected the high energy X-rays from five supermassive black holes previously clouded from direct view by dust and gas.   “An illustration of the NuSTAR … Continue reading Five Supermassive Black Holes discovered

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Hubble Catches a Stellar Exodus in Action

Using NASA's Hubble Space Telescope, astronomers have captured for the first time snapshots of fledgling white dwarf stars beginning their slow-paced, 40-million-year migration from the crowded center of an ancient star cluster to the less populated suburbs. White dwarfs are the burned-out relics of stars that rapidly lose mass, cool down, and shut off their … Continue reading Hubble Catches a Stellar Exodus in Action