Join Donate

The Bruce Murray Space Image Library

Mars then and now

Mars then and now

Click to view full image

NASA’s Goddard Space Flight Center

Mars then and now
This conceptual image depicts the early Martian environment (right)—believed to contain liquid water and a thicker atmosphere—versus the cold, dry environment seen at Mars today (left).

Most NASA images are in the public domain. Reuse of this image is governed by NASA's image use policy.

Explore related images: BMSIL, data visualization, Mars

You are here:
Comments & Sharing
More Images
Bill Nye and people
Let's Change the World

Become a member of The Planetary Society and together we will create the future of space exploration.

Join Today

Bruce Murray and Carl Sagan
Pretty Pictures

Support the Bruce Murray Space Image Library and help us share the wonders of other worlds.

Donate

"We're changing the world. Are you in?"
- CEO Bill Nye

I'm In!