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Ionizing the Universe with Oligarchs

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The sparsely distributed hot gas found today between galaxies, the intergalactic medium (IGM), is ionized. The early universe started off hot, but then it rapidly expanded and cooled allo...

Avi Loeb Nominated to Presidential Advisory Council

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Harvard Astronomy department chair Abraham Loeb has been nominated to the President's Council of Advisors on Science and Technology (PCAST). The council advises the president of the Unite...

The Masses of Supermassive Black Holes

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Most galaxies are thought to host at its nucleus a supermassive black hole (SMBH), an object with a mass exceeding a million solar-masses. Our Milky Way, for example, has a four million s...

Scientists Discover Brightest Supernova Ever Seen

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Cambridge, MA - Scientists at the Center for Astrophysics | Harvard & Smithsonian today announced the discovery and study of the brightest, most energetic, and likely most massive su...

VLASS, A Survey of the Radio Sky

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Technological advances in recent years have increased the sensitivity of radio interferometers like the Karl G. Jansky Very Large Array (VLA) to the radio emission from astronomical sourc...

Forming the TRAPPIST-1 Exoplanets

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TRAPPIST-1 is a system of seven Earth-sized worlds orbiting an ultra-cool dwarf star about forty light-years away. The IRAC camera on Spitzer was used to help discover these seven Earth-s...
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