Big Picture Science - To Earth and Back
We are all Martians … or could be, if, billions of years ago, Red
Plant microbes fell to Earth and eventually evolved to us. Okay, that
one’s a big “if.” But microbes can survive space travel. Meet the
NASA officer whose task is to keep Earth, Mars – and the entire solar system –safe from hitchhiking bacteria.
And, even if we’re not Martians (darn!), did life once thrive on the Red Planet … and does it still today?
Plus, why meteorites may be happy habitats for life.
Guests:
Permalink:
http://radio.seti.org/episodes/To_Earth_and_BackYou
can listen to this and other episodes at
http://radio.seti.org/, and
be sure to check out
Blog Picture Science,
the companion blog to the radio show.