variable star

Why Do Red Giants Expand?

We know that the Sun will last another 5 billion years and then expand us a red giant. What will…

6 years ago

What’s Going On Inside This New Kind of Variable Star?

A new kind of variable star -- 36 of that type, in fact -- has been found in a single…

8 years ago

Weekly SkyWatcher’s Forecast: October 22-28, 2012

Greetings, fellow SkyWatchers! It's going to be a great week to enjoy lunar studies, but why don't we take a…

9 years ago

Red Giant Brightness Variations Still Mysterious

[/caption] Like everything else in the Universe, stars get old. As they become older, stars like our own Sun "puff…

12 years ago

VY Canis Majoris

Of all known stars, the VY Canis Majoris is the largest. This red Hypergiant star, found in the constellation Canis…

12 years ago