Life in Our Universe.  Episode 10,  Has Mars Always Been Dead?. 

 - 1 online resource (streaming video file) (29 minutes):  digital, .flv file, sound 
<br/><br/> Title from title frames.  Film  In Process Record. 
<br/><br/>Laird Close 
<br/><br/> Originally produced by The Great Courses in 2013. 
<br/><br/> Mars ranks as NASA's number one priority in the search for exolife. Here, you delve into why Mars is so intriguing to astrobiologists and what the search has found to date. Start with a comparison of Mars and the Earth, then watch the first-ever observation of water ice on Mars sublimating into vapor. 
<br/><br/><br/>Mode of access: World Wide Web. 
<br/><br/><br/>In English 
<br/><br/><label>Publisher. No.: </label>6756910  Kanopy 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Astronomy.
<br/><br/><label>Index Terms--Genre/Form: </label><br/>Education films.