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NOAO News Archive: 2016


June 20, 2016

Young Super-Neptune Offers Clues to the Origin of Close-In Exoplanets

Image Credit: NASA/JPL-Caltech

A team of astronomers has confirmed the existence of a young planet, only 11 million years old, that orbits very close to its star (at 0.05 AU), with an orbital period of 5.4 days. Approximately 5 times the size of the Earth, the new planet is a “super-Neptune” and the youngest such planet known. Observations with ARCoIRIS, the new infrared spectrograph on the 4-m Blanco telescope at the Cerro Tololo Inter-American Observatory (CTIO), played a critical role in measuring the size of the planet. NOAO astronomer David James is a coauthor on the study.

Read more in NOAO Press Release 16-02


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May 25, 2016

Young Mammoth Cluster of Galaxies Sighted in the Early Universe

Image Credit: Dr. Rui Xue, Purdue University

Astronomers have uncovered evidence for a vast collection of young galaxies 12 billion light years away. The newly discovered “proto-cluster” of galaxies, observed when the universe was only 1.7 billion years old (12% of its present age), is one of the most massive structures known at that distance. The discovery was made using telescopes at KPNO and Keck Observatory. NOAO Astronomer Arjun Dey is the lead author of the study.

Read more in NOAO Press Release 16-01.


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