Dan Bartlett
- A green comet and Mars will appear side-by-side in the night sky on February 10 and 11.
- It's a good opportunity to spot the comet in the early evening, maybe with nothing but binoculars.
- Here's what you need to know to see the colorful cosmic couple.
A green comet shooting past Earth for the first time since the Ice Age is about to skim right past Mars in the night sky.