Planetary Society Blog for Tuesday 29 September 2015

Planetary Society Blog

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NASA's Mars Announcement: Present-day transient flows of briny water on
steep slopes

Posted: 28 Sep 2015 12:26 PM PDT
http://www.planetary.org/blogs/emily...ouncement.html

NASA held a press briefing today to publicize a cool incremental result in
the story of present-day liquid water on Mars. How big a deal is this
story? Was all the pre-announcement hype justified? Is this just NASA
discovering water on Mars for the zillionth time? What does this mean for
things many space fans care about: life on Mars or future human exploration?

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Dawn Journal: 8 Years in Space

Posted: 28 Sep 2015 05:49 AM PDT
http://www.planetary.org/blogs/guest...-in-space.html

On the 8th anniversary of the launch of the Dawn spacecraft, Chief Engineer
and Mission Director Marc Rayman gives his annual summary of Dawn’s
progress on its interplanetary travels.