Is There Liquid Water on Mars?

Mars might be full of salty liquid water! Plus, a guide to the upcoming Lyrids meteor shower.

Hosted by: Hank Green
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Sources:
http://www.eurekalert.org/pub_releases/2015-04/uoc--mmh040915.php
http://www.nature.com/articles/doi:10.1038/ngeo2412
http://link.springer.com/article/10.1007%2Fs11214-012-9956-3#page-1
http://www.sciencemag.org/content/325/5936/64.full
http://www.sciencedirect.com/science/article/pii/S0019103514004527
http://www.space.com/21554-mars-toxic-perchlorate-chemicals.html
http://earthsky.org/astronomy-essentials/everything-you-need-to-know-lyrid-meteor-shower
http://www.skyandtelescope.com/observing/meteor-showers-in-2015-12142014/
http://earthsky.org/astronomy-essentials/earthskys-meteor-shower-guide

Видео Is There Liquid Water on Mars? канала SciShow Space