Home » News & Blogs » Weather on Ancient Mars: Warm with Occasional Rain, Turning Cold
Bookmark and Share
Astro Watch

Weather on Ancient Mars: Warm with Occasional Rain, Turning Cold

25 Aug 2019, 08:14 UTC
Weather on Ancient Mars: Warm with Occasional Rain, Turning Cold
(200 words excerpt, click title or image to see full post)

A new study of conditions on Mars indicates that the climate 3 to 4 billion years ago was warm enough to provoke substantial rainstorms and flowing water, followed by a longer cold period where the water froze. This may have implications on the conditions for the development of life on Mars.Scientists have long known that water was abundant on ancient Mars, but there has been no consensus on whether liquid water was common, or whether it was largely frozen in ice. Was the temperature high enough to allow the water to flow? Did this happen over an extended period, or just occasionally? Was the surface a desert or frozen? Warm conditions make it much more likely that life would have developed independently on the surface of ancient Mars. Now a new comparison of patterns of mineral deposition on the red planet with similar depositions on Earth lends weight to the idea that early Mars had one or more long periods dominated by rainstorms and flowing water, with the water later freezing.Presenting the findings at the Goldschmidt Geochemistry Conference in Barcelona, Professor Briony Horgan (Purdue University) said:"We know there were periods when the surface of Mars was frozen; we know there ...

Latest Vodcast

Latest Podcast

Advertise PTTU

NASA Picture of the Day

Astronomy Picture of the Day

astronomy_pod