Astronomy Cast

Astronomy Cast Ep. 432: Geoglogic Ages of Mars – From Wet and Wild to Desolate Desert

Today, Mars is a desolate wasteland, with dusty red rocks and sand stretching out to the horizon. But billions of years ago, it was a vastly different world. It was blue, with oceans, rivers, lakes, and maybe life? Let’s tell the story of geology on Mars, and we got from that world to the one we see today.

Visit the Astronomy Cast Page to subscribe to the audio podcast!

We usually record Astronomy Cast as a live Google+ Hangout on Air every Friday at 1:30 pm Pacific / 4:30 pm Eastern. You can watch here on Universe Today or from the Astronomy Cast Google+ page.

Fraser Cain

Fraser Cain is the publisher of Universe Today. He's also the co-host of Astronomy Cast with Dr. Pamela Gay. Here's a link to my Mastodon account.

Recent Posts

Astronomers are on the Hunt for Dyson Spheres

There's something poetic about humanity's attempt to detect other civilizations somewhere in the Milky Way's…

10 hours ago

We Need to Consider Conservation Efforts on Mars

Astrobiology is the field of science that studies the origins, evolution, distribution, and future of…

12 hours ago

Roman Space Telescope Will Be Hunting For Primordial Black Holes

When astrophysicists observe the cosmos, they see different types of black holes. They range from…

1 day ago

What Deadly Venus Can Tell Us About Life on Other Worlds

Even though Venus and Earth are so-called sister planets, they're as different as heaven and…

1 day ago

A Nebula that Extends its Hand into Space

The Gum Nebula is an emission nebula almost 1400 light-years away. It's home to an…

2 days ago

41,000 Years Ago Earth’s Shield Went Down

Earth is naked without its protective barrier. The planet's magnetic shield surrounds Earth and shelters…

2 days ago