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Life on Mars - What to Know Before We Go (Hardcover)
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Life on Mars - What to Know Before We Go (Hardcover)
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The story of the search for life on Mars-and the moral issues
confronting us as we prepare to send humans there Does life exist
on Mars? The question has captivated humans for centuries, but
today it has taken on new urgency. NASA plans to send astronauts to
Mars orbit by the 2030s. SpaceX wants to go by 2024, while Mars One
wants to land a permanent settlement there in 2032. As we gear up
for missions like these, we have a responsibility to think deeply
about what kinds of life may already inhabit the planet--and
whether we have the right to invite ourselves in. This book tells
the complete story of the quest to answer one of the most
tantalizing questions in astronomy. But it is more than a history.
Life on Mars explains what we need to know before we go. David
Weintraub tells why, of all the celestial bodies in our solar
system, Mars has beckoned to us the most. He traces how our ideas
about life on Mars have been refined by landers and rovers,
terrestrial and Mars-orbiting telescopes, spectroscopy, and even a
Martian meteorite. He explores how finding DNA-based life on the
Red Planet could offer clues about our distant evolutionary past,
and grapples with the profound moral and ethical questions
confronting us as we prepare to introduce an unpredictable new life
form-ourselves-into the Martian biosphere. Life on Mars is also a
book about how science is done-and undone-in the age of mass media.
It shows how Mars mania has obscured our vision since we first
turned our sights on the planet and encourages a healthy skepticism
toward the media hype surrounding Mars as humanity prepares to
venture forth.
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