Roses are red, blue supergiants are blue

What is a blue supergiant? (Part I) Typically people think of blue being cold, and red being hot. In reality, when it comes to turning the tap, astrophysics doesn't apply; blue stars are actually hotter than red stars! Looking at the visible region of the electromagnetic spectrum (i.e. the light we can detect with our eyes) red and …

Continue reading Roses are red, blue supergiants are blue

Advertisements