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Highlights from AAS Nova: 24 February - 9 March 2019

Monday, March 11, 2019 - 17:04

AAS Nova provides brief highlights of recently published articles from the AAS journals, i.e., The Astronomical Journal (AJ), 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.

8 March 2019
Reversing Winds on Hot Jupiters
The winds of exoplanets HAT-P-7b and CoRoT-2b blow in the opposite direction from what we expect. Could magnetic fields have something to do with this odd reversal?

6 March 2019
First Disrupted Star for a New Survey
The Zwicky Transient Facility is officially open for business, and it’s already watched a black hole tear apart a star.

5 March 2019
Can We A-void the Hubble Tension with Local Voids?
Astrobites explores the possibility that a local void is messing with our measurements of the Hubble constant along the cosmic distance ladder.

4 March 2019
Inflating a Super-Puff Planet
Super-puffs — fluffy planets with abnormally low densities — are a problem: according to theoretical models, they shouldn’t exist.

1 March 2019
Solving a Stellar Abundance Problem (with a Little Help from Our Oceans)
How can the behavior of Earth’s oceans help us understand chemical abundances in red-giant stars?

27 February 2019
Clues from Hubble a Year After a Neutron-Star Merger
More than a year after the first confirmed neutron-star merger, we’re still learning from new observations.

26 February 2019
Where Did All the Dark Matter Go?
Astrobites reports on the second detection of a galaxy apparently lacking in dark matter, which has reopened the debate about dark-matter-deficient galaxies.

25 February 2019
Featured Image: How Gas Affects the Structure of Galaxies
These beautiful images from a simulation of a Milky-Way-like galaxy capture how gas affects a galaxy’s formation and evolution over time.

Susanna Kohler
Editor, AAS Nova
American Astronomical Society (AAS)
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