Red supergiants are a class of star that end their lives in supernova explosions. Their lifecycles are not fully understood, partly due to difficulties in measuring their temperatures. For the first ...

This chart shows star temperatures vs. stellar flux showing various zones including Earth. Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert!

Stellar color is primarily determined by the star's surface temperature; hotter stars emit more blue light, while cooler stars emit more red light, mirroring the behavior of a propane flame. Stars are ...

Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. On a clear, moonless night, you might be able to see thousands of ...