Is it more ethical to live on Mars or Earth?
Make up your mind first. Then take this thought experiment:
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You’re the captain of a colony ship which has just arrived at a new star system.
Researchers from Astrobiology report that signs of life could be possible using a tool that measures atmospheric pressure when viewing two oxygen molecules or dimers. By doing so, using a telescope such as the… 73 more words
Earth can raise shields to protect itself against solar storms. For the first time, satellites and ground-based detectors have watched as the planet sends out a tendril of plasma to fight off blasts of charged solar matter. 35 more words