Highlights from AAS Nova: 10-23 January 2016

AAS Nova provides brief highlights of recently published articles from the AAS journals, i.e., the Astronomical Journal (AJ) and the Astrophysical Journal (ApJ), ApJ Letters, and ApJ Supplements. The website's intent is to gain broader exposure for AAS authors and to provide astronomy researchers and enthusiasts with summaries of recent, interesting research across a wide range of astronomical fields.

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The following are the AAS Nova highlights from the past two weeks; follow the links to read more, or visit the AAS Nova webpage for more posts.

22 January 2016
The Puzzling Ophiuchus Stream
Four stars, recently identified as possibly belonging to the Ophiuchus stellar stream orbiting our galaxy, may help explain the stream’s mysterious past.

20 January 2016
A Ninth Planet in Our Solar System?
The unexpected behavior of some Kuiper belt objects could be explained by the presence of a distant, planet-size object yet undetected in our solar system.

18 January 2016
Featured Image: A New Look at Malin 1
We now have a spectacular new view of the very faint spiral galaxy Malin 1, located roughly 1.2 billion light-years away.

15 January 2016
A Gap in TW Hydrae’s Disk
Recent observations of TW Hydrae, a star just 176 light-years away, have confirmed the existence of a gap within its surrounding disk. Could this be a sign of an orbiting planet?

13 January 2016
AAS Publishing: What Can WorldWide Telescope Do for You?
WorldWide Telescope has moved to the AAS! Read on to find out how you can use WWT for research, education, and fun.

11 January 2016
The Hunt for Dwarf Galaxies’ Ancestors
Can we detect the distant ancestors of local dwarf galaxies? A recent study aims to find out.