Credit: Christian Darkin / Science Photo LibraryThe coolest stars are red with surface temperatures around 3,000°C and the hottest are white at a toasty 40,000°C.
The coolest stars are red with surface temperatures around 3,000°C and the hottest are white at a toasty 40,000°C. Credit: Christian Darkin / Science Photo LibraryThe coolest stars are red with surface temperatures around 3,000°C and the hottest are white at a toasty 40,000°C. Credit: Christian Darkin / Science Photo Library