Cosmology

How did Supermassive Black Holes Grow so Massive so Quickly?

by Shannon Hall August 12, 2014

Want to stay on top of all the space news? Follow @universetoday on Twitter Black holes one billion times the Sun’s mass or more lie at the heart of many galaxies, driving their evolution. Although common today, evidence of supermassive black holes existing since the infancy of the Universe, one billion years or so after […]

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Has the Cosmology Standard Model become a Rube Goldberg Device?

by Tim Reyes June 26, 2014

This week at the Royal Astronomical Society’s National Astronomy Meeting in the UK, physicists are challenging the evidence for the recent BICEP2 results regarding the inflation period of the Universe, announced just 90 days ago. New research is laying doubt upon the inclusion of inflation theory in the Standard Cosmological Model for understanding the forces […]

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Are the BICEP2 Results Invalid? Probably Not.

by Brian Koberlein May 19, 2014

Recently rumors have been flying that the BICEP2 results regarding the cosmic inflationary period may be invalid. It all started with a post by Dan Falkowski on his blog Resonaances, where he claimed that the BICEP2 had misinterpreted some data, which rendered their results invalid, or at least questionable. The story was then picked up by […]

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“Fossil Galaxy” Discovered From the Early Universe

by Shannon Hall May 4, 2014

A small galaxy circling the Milky Way may be a fossil left over from the early Universe. The stars in the galaxy, known as Segue 1, are virtually pure with fewer heavy elements than those of any other galaxy known. Such few stars (roughly 1,000 compared to the Milky Way’s 100 billion) with such small […]

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Watch Live Webcast: Secrets of the Universe’s First Light

by Nancy Atkinson April 18, 2014

Just a month ago came the news of the first direct evidence of primordial gravitational waves — ripples in the fabric of spacetime — providing the first direct evidence the Universe underwent a brief but stupendously accelerated expansion immediately following the Big Bang. This almost unimaginably fast expansion when the Universe was only a trillionth […]

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