Research News
SALT 2019
Lying somewhere between young main-sequence stars and old white dwarfs, hot subdwarfs are blue stars with about half the mass, a tenth the diameter and ten times the brightness of the Sun.
Lying somewhere between young main-sequence stars and old white dwarfs, hot subdwarfs are blue stars with about half the mass, a tenth the diameter and ten times the brightness of the Sun.
Armagh Observatory and Planetarium’s Robinson Lecture this year will be about the Sun. To lead into this here is the first of two articles about why astronomers study our Sun, and the range of telescopes and satellites co-opted to the the task. Solar physics is the branch of astrophysics that Read more…