This new measurement is based upon measuring the distance to red giant stars in different galaxies
Deep Space
Deep Space
Deep Space
Zombie star feeds off its companion
ESA’s Integral space observatory spotted X-rays emitted from a unusual binary star system
Deep Space
New images of red giant star could reveal the Sun’s future
W Hydrae had the same starting mass as our nearest star, but it’s billions of years more evolved
Deep Space
Can we see dead stars with the naked eye?
We find out the answer to this intriguing question