Is Seeding the Universe with Life Our ‘Moral Obligation’?

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Directed panspermia missions could target interstellar clouds such as the Rho Ophiuchus cloud complex located about 500 light-years away.

Eventually, the day will come when life on Earth ends. Whether that’s tomorrow or five billion years from now, whether by nuclear war, climate change, or the Sun burning up its fuel, the last living cell on Earth will one day wither and die. But that doesn’t mean that all is lost. What if we had the chance to sow the seeds of terrestrial life throughout the universe, to settle young planets within developing solar systems many light-years away, and thus give our long evolutionary line the chance to continue indefinitely?

 

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Long Distance Space Travel Will Adversely Affect Astronaut’s Looks

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Going boldly where no man has gone before is likely to leave you going bald, claims scientists – not to mention fat and ugly.

Making long space journeys, like those envisaged in the future, will not be good for your looks or figure, claim scientists who believe they will leave astronauts looking short, fat and bald.

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Does A Twin Earth Exist?

Does A Twin Earth Exist?

Artist’s conception shows a hypothetical twin Earth orbiting a Sun-like star.

Does a twin Earth exist somewhere in our galaxy? Astronomers are getting closer and closer to finding an Earth-sized planet in an Earth-like orbit. NASA’s Kepler spacecraft just launched to find such worlds. Once the search succeeds, the next questions driving research will be: Is that planet habitable? Does it have an Earth-like atmosphere? Answering those questions will not be easy.

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