8 April 2019

Highlights from AAS Nova: 24 March - 6 April 2019

Susanna Kohler, American Astronomical Society (AAS)

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.

5 April 2019
Supernovae, Dark Energy, and the Fate of Our Universe
What’s the eventual fate of our universe? New results from Dark Energy Survey supernovae address this and other questions.

3 April 2019
The Variable Jets of Gamma-Ray Bursts
What drives the rapid flickering in the jets that are produced in some powerful, high-energy explosions?

2 April 2019
The Search for Black Hole Teenagers
Astrobites reports on how the discovery of medium-sized black holes allows us to trace the history of the giant black holes in the center of galaxies.

1 April 2019
What’s with Asteroid Ryugu’s Weird Shape?
Up-close photos show that Ryugu is shaped like a spinning top. Can this asteroid’s history explain its structure?

29 March 2019
A Rare Double-Detonation Supernova Caught in the Act
Astronomers have observed an unusual stellar explosion. What makes this event different from other supernovae?

27 March 2019
Merging Eccentric Pairs of Black Holes
What happens during chaotic interactions between black-hole binaries in star clusters? New research suggests eccentric mergers can result.

26 March 2019
Solid As a Rock … Not
Why is WASP-12b’s orbit decaying so rapidly? Astrobites reports on whether an unseen companion planet might be influencing this hot Jupiter’s orbit.

25 March 2019
Featured Image: A Choice of Projections
What’s the best way to represent the spherical sky on a flat surface? This unique octahedron-based view has its advantages.