Great Alien Debate (Part 1 - 7) |
Part 1: Launching the Alien Debates
Part 2: The Dialectic Game
Part 3: What is Life?
Part 4: The Basic Rules of the Universe
Part 5: Debating Life’s Boundaries
Part 6: Strange and Alien Forms
Part 7: How Can We Find Alien Life?
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Terraforming Debates (Part 1 - 7) |
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Christopher McKay advocates making Mars habitable for Martians.
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John Rummel predicts that in our search for life on Mars, we probably won't find cows.
more |
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David Grinspoon says we have an ethical imperative to bring a dead planet to life. more |
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Greg Bear ponders the evolution of humans into Martians. more |
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Kim Stanley Robinson wishes Mars (and Earth) would abide by the Antarctica Treaty. more |
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The panel answers questions about living on Mars. more |
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The panel answers questions about the Martian future. more |
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Great Impact Debates (Part 1 - 5) |
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The scientific value in
studying asteroids and comets: Have past impacts caused some of the
mass extinctions of life on Earth? more |
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Given that large bodies hit
the Earth only very rarely, is the concern about impacts
unjustified? more |
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The search for near-Earth
asteroids, and the damage that small impacts inflict compared to
larger impacts. more |
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How we could respond to the
threat of an asteroid heading for Earth, and what projects would
best serve future NEO goals? more |
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Expert debate panelists
answer reader's questions. more |
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Rare Earth Debates (Part 1 - 6) |
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Does the Earth's history
give us examples of what conditions might be encountered
either far or close to home? more |
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How far away is our E.T.
Neighbor? Distinguished experts consider the likelihood of life
elsewhere in our solar system. more |
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What are the conditions
necessary for multi-cellular life and the speed at which it
evolves? more |
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Stars grow hotter as they
age, and habitable planets orbiting them become uninhabitable. How
long can complex life flourish? more |
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If there is intelligent life
out there, why haven't we found it yet? more |
 | Expert debate panelists
answer reader's questions. more |
