The most popular view has been that such supermassive stars form when two large stars collide, but new observations cast doubt on that model.
Young Star, Young Planet
HL Tau is a young star, only about a million years old. Despite its young age, the star is already busy at making a family.
How Large Can A Solar System Be?
A new discovery raises an interesting question about just how large a planetary system could be.
Eta Carinae Isn’t Alone
As far as we know, there isn’t another star like Eta Carinae in our galaxy, but new observations have found five similar stars in other galaxies.
The Flicker Of A Star Can Tell Us Its Mass
In new research, found that there was a good correlation between the flicker of a star and its surface gravity.
Planetary Storm On A Stellar Object
Astronomers have found a stormy dark spot on a small star.
Contact Binary
A contact binary star occurs when two stars are close enough that their outer layers are in contact with each other.
Using Doppelganger Stars to Measure Stellar Distances
Astronomers have developed a new method using “twin stars” to measure stellar distances.
How To Build A Star
Suppose you wanted to build a star. How would you go about making one?