Astronomy July 2020

Features 

How stars are born and die
Stellar evolution is a circle of life — dying stars spew their contents into the galaxy,paving the way for the next generation.
JIM KALER


Meet the most extreme stars
Some huge, some small. Some zip, some crawl. The cosmos is full of objects that defy expectations.
JAKE PARKS


Stellar neighbors close-up
Astronomers are learning a lot from the stars in our part of the Milky Way.
BRUCE DORMINEY

Sky This Month
Feast on a full planetary lineup.
MARTIN RATCLIFFE
AND ALISTER LING

Star Dome and Paths of the Planets
RICHARD TALCOTT;
ILLUSTRATIONS BY ROEN KELLY

The Sun’s lost siblings
Astronomers think it’s possible to identify the stars that formed from the same nebula as the Sun.
YVETTE CENDES

Is Eta Corvi a window to our past?
By studying this strange star, astronomers hope to better understand what happened early in the life of our own solar system.
NOLA TAYLOR REDD

How pulsating stars unlock our universe
RR Lyrae variables allow precise distance measurements, reveal the history of the regions they populate, and trace how galaxies are structured.
ATA SARAJEDINI

Ask Astro
The Sun’s light.