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.
In 1960, in preparation for the first SETI conference, Cornell astronomer Frank Drake formulated an…
The Pentagon office in charge of fielding UFO reports says that it has resolved 118…
The Daisy World model describes a hypothetical planet that self-regulates, maintaining a delicate balance involving…
Researchers have been keeping an eye on the center of a galaxy located about a…
When it comes to telescopes, bigger really is better. A larger telescope brings with it…
Pluto may have been downgraded from full-planet status, but that doesn't mean it doesn't hold…