Main Sequence Stars

Binary Stars Form in the Same Nebula But Aren’t Identical. Now We Know Why.

It stands to reason that stars formed from the same cloud of material will have the same metallicity. That fact…

5 months ago

Our Part of the Galaxy is Packed with Binary Stars

Binary star systems are everywhere. They make up a huge percentage of all known solar systems: from what we can…

4 years ago

This Star Has Reached the End of its Life

About 10,000 light years away, in the constellation Centaurus, is a planetary nebula called NGC 5307. A planetary nebula is…

5 years ago

The Sun

The Sun has always been the center of the Universe for humanity. However, the nature, composition and lifespan of the…

9 years ago

Massive Stars Start Life Big… Really BIG!

[/caption] It might be hard to believe, but massive stars are larger in their infant stage than they are when…

13 years ago