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Magnified image of the faintest galaxy from the early universe

5 December 2015 Astronomy Now

Astronomers harnessing the combined power of NASA’s Hubble and Spitzer space telescopes have found the faintest object ever seen in the early universe. It existed about 400 million years after the big bang, 13.8 billion years ago. The new object is comparable in size to the Large Magellanic Cloud (LMC), a diminutive satellite galaxy of our Milky Way.

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Hubble survey reveals early galaxies were more efficient at making stars

21 November 2015 Astronomy Now

A study just published by University of Texas at Austin assistant professor Steven Finkelstein and colleagues reveals that galaxies were more efficient at making stars when the universe was younger. The announcement explains the team’s discovery that there are a lot more bright, highly star-forming galaxies in the early universe than scientists previously thought.

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The closest rocky, transiting exoplanet found in Cassiopeia

31 July 2015 Astronomy Now

Northern Hemisphere astronomers are familiar with the W-shaped star pattern of Cassiopeia, a circumpolar constellation near the Pole Star that never sets for latitudes north of 35°. Tucked next to one leg of the W lies a modest 5th-magnitude star named HD 219134 that has been hiding a secret.