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Astrobites at AAS 238: Day 2


Welcome to the virtual summer American Astronomical Society (AAS) meeting! Astrobites is attending the conference as usual, and we will report highlights from each day here. If you’d like to see more timely updates during the day, we encourage you to search the #aas238 hashtag on twitter. 
We’ll be posting once a day during the meeting, so be sure the visit the site often to catch all the news!
 
This composite image of NGC4535 shows a Hubble image of the galaxy, overlaid with new ALMA observations of the galaxy’s molecular clouds. [ALMA (ESO/NAOJ/NRAO)/PHANGS, S. Dagnello (NRAO)] ....

United States , Sabina Sagynbayeva , Pratik Gandhi , Luna Zagorac , Verac Rubin , Danielk Inouye , James Neff , Alpha Centauri , Ellis Avallone , Marla Geha Yale , Macy Huston , Tarini Konchady , Ashish Mahabal Caltech , Los Reyes , Chris Smith , Marla Geha , Stella Offner , Ashley Vanderley , Annie Hughes Institut , Annie Jump Cannon , Blakesley Burkhart , Nancy Levenson , Christine Chen , Marla Geha Yale University , Most Institute , Blakesley Burkhart Rutgers University ,

What is an exoplanet?


What is an exoplanet?
April 22, 2021 at 12:07 pm
Exoplanets are planets orbiting distant stars beyond our Solar System, and today astronomers calculate that for every star we can see in the night sky, there is on average at least one exoplanet in orbit around it.
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The concept of exoplanets is hardly new: as far back as 1584, Italian philosopher Giordano Bruno suggested space was filled by “an infinity of worlds of the same kind as our own”.
An illustration depicting the variety of exoplanets discovered so far. Credit: NASA/JPL-Caltech/Lizbeth B. De La Torre
Over the past century, numerous authors, TV directors and film producers set their stories on planets beyond our own Solar System. ....

United States , United Kingdom , Jodrell Bank , Borough Of Cheshire East , Beth Biller , K Sahu Stsc , Aleksander Wolszczan , Paul Cockburn , Ames Jpl Caltecht Pyle , Livia Pietrow , Dale Frail , Ames Jpl Caltech , Giordano Bruno , Iain Todd , Didier Queloz , Proxima Centauri , Institute Of Astronomy , Jodrell Bank Andrew Lyne , Institute For Astronomy , University Of Cambridge , University Of Cambridge Institute Astronomy , Jodrell Bank Observatory In Cheshire , American Astronomical Society , Solar System , Jodrell Bank Observatory , Andrew Lyne ,