The astro-ph Reader’s Digest
How many spiral arms does the Milky Way have? You might be surprised to learn that astronomers are still not completely sure.
Why do some planets slightly more massive than Earth have gas envelopes, while others don’t?
The past 20 years of exoplanet discovery have unveiled many peculiar planets in the Milky Way. Today’s paper investigates if two classes of these odd planets could be the same planet at different points in their evolutionary history – if hot Jupiters can transform into super-Earths!
How to teach a computer to do all of your work for you!
Low-mass stars are much more common than massive ones. But massive stars outshine the smaller ones a thousand to one! How can astronomers account for this hidden majority? Maybe alcohol will help…
Amino acids were possibly brought to Earth by meteorite impacts, which contaminated the young environment with organic compounds. However, where and how did these most basic ingredients of life form in the first place?
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We have an open call for writers to join the “Astrobites en Español” team. Interested?
Starting tomorrow (Thursday June 11), Astrobites will be hosting a Reddit “Ask Me Anything” on /r/science! The thread will go live at 8 AM Eastern, and Astrobiters will be responding to your questions by 1 PM.
A supernova goes off. A star has died. Can its partner have anything to do with it?
Astrobites in Spanish has now gone live! Find us in astrobitesenespanol.wordpress.com. Happy reading!
Planets seem to occur all over the place in the universe. However, it is still unknown how they form. The growth of objects larger than meter size is difficult because objects of this size quickly fall into the central star. This Astrobite gives a small overview of the meter-size barrier as found by Stuart J. Weidenschilling in 1977.
Much of what we know today about exoplanets is due to the success of the radial velocity method. Where does it stand now? What is its future?
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