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The Essential Guide to Astronomy

David Grinspoon

David Grinspoon, Senior Scientist at Planetary Science Institute, is an astrobiologist who studies the possible conditions for life on other planets. He is also an award-winning science communicator and writer and writes the Cosmic Relief column for Sky & Telescope. His new book Earth In Human Hands was published in December 2016.

24 results

Planck temperature map of universe

Cosmic Relief with David Grinspoon

Cosmology Gets Real

An astrobiologist comes to grips with the new cosmology results.

By: David Grinspoon December 15, 2015

Cosmic Relief with David Grinspoon

Looking Back at Earth in Wonder

Seeing Earth as a dot helps prepare us for the exoplanets.

By: David Grinspoon December 8, 2015

Cosmic Relief with David Grinspoon

Climate Change & the Big Payback

We’re causing a mass extinction now. Can we prevent the next one?

By: David Grinspoon December 1, 2015

Cosmic Relief with David Grinspoon

In the Days of the Comet

A comet’s close passage to Mars reminds us of our own vulnerability.

By: David Grinspoon December 1, 2015

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