It’s “common knowledge”—and the scare quotes should be a warning—that the sun is an average star. The lower limit is around 7 to 8 percent of the sun’s mass; any less than that, and there isn’t ...

For centuries, astronomers faced the challenge of classifying objects in space based on their appearance. When observing an ...

Discovered in the Pictor II dwarf galaxy, star PicII-503 has an extreme deficiency in iron—less than 1/40,000th of the sun. This signature makes it the clearest example of a star within a primordial ...

Stephen has degrees in science (Physics major) and arts (English Literature and the History and Philosophy of Science), as well as a Graduate Diploma in Science Communication. Stephen has degrees in ...