Get the latest Science News and Discoveries

Comets’ heads can be green, but never their tails. After 90 years, we finally know why

None

Get the Android app

Or read this on ScienceDaily

Read more on:

Years

Photo of Green

Green

Heads

Related news:

Why do some comets glow green?

In last 15 years, deforestation made outdoor work unsafe for millions

Earth Is Spinning Faster Now Than It Was 50 Years Ago

« Astronomers Detect Signature of Magnetic Field on an Exoplanet

Engineers produce the world’s longest flexible fiber battery »