Read
Blog
Series
Archive
2013
January
February
March
April
May
June
2012
January
February
March
April
May
June
July
August
September
October
November
December
2011
January
February
March
April
May
June
July
August
September
October
November
December
2010
January
February
March
April
May
June
July
August
September
October
November
December
2009
January
February
March
April
May
June
July
August
September
October
November
December
2008
January
February
March
April
May
June
July
August
September
October
November
December
2007
January
February
March
April
May
June
July
August
September
October
November
December
2006
March
April
May
June
July
August
September
October
November
December
Sep. 27, 2012

Rover Finds Ancient Stream Bed on Mars

by Ira Flatow

Click to enlarge images
NASA's rover has discovered an ancient stream bed on Mars. (See image above.)
 
Of course the stream bed is no longer wet, but there are a number of signs for the water even before Curiosity arrived: satellite images showed evidence of water flowing down from a hillside:
 
{"input":{"width":490,"photo":"file2","row":"4425","table":"DOCUMENT"}}
Most fascinating is the similarity to outcroppings on earth where water was once present to those on Mars.
 
{"input":{"width":490,"photo":"file3","row":"4425","table":"DOCUMENT"}}
 
Cool!

 

About Ira Flatow

Ira is the host and executive producer of Science Friday.

The views expressed are those of the author and are not necessarily those of Science Friday.

MOST POPULAR

Bamboo Bicycles Roll Out

Decoding 'the Most Complex Object in the Universe'

Rolling Out Bamboo Bicycles

Seattle Mayor Mike McGinn Talks Climate and Carbon

Their World Is Oysters

Looking Back, and Up, at a Seattle Icon

Building the Space Needle

Where's The Octopus?

With Climate Change, No Happy Clams

Denis Hayes on Being Green

Advertisement
share
twitter
facebook
Thank Yous

Store

Contact
Search
DONATE
Support for Science Friday comes from listeners like you.

SCIENCE FRIDAY INITIATIVE

POLICIES

AVAILABLE FROM ITUNES
TOPICS
AUDIO
FOR TEACHERS
VIDEO
WAYS TO LISTEN
BLOG
ABOUT

Science Friday® and SciFri® are registered service marks of Science Friday, Inc. Site design by Pentagram; engineering by Mediapolis.

 

topics
Home Planet
Space
Body & Brain
Biology
Nature
Go Figure
Physics & Chemistry
Engineers, Gadgets & Geeks
Art, History & Culture
Food & Garden
Energy
Ethics, Education & Policy
Big Thinkers