When looking for aliens, try finding their pollution

Fluorinated gases in exoplanet atmospheres might be detectable by future telescopes

SMOG ALERT  A brown haze envelops a rocky planet orbiting a white dwarf star, in an artist’s illustration. Future telescopes might be able to detect such pollution from afar.

Christine Pulliam/CfA

This article is only available to Science News subscribers.

Subscribers, enter your e-mail address to access our archives.

Not a subscriber?

Science News is a nonprofit.

Support us by subscribing now.

More Stories from Science News on Astronomy

From the Nature Index

Paid Content