View Full Version : How Do You Find The Signs of Life In Alien Planets?

2013-Sep-10, 04:10 PM
One big challenge in astronomy is everything is so darn far away. This makes it hard to see the signs of life in planets, which are usually but tiny dots of light using the telescope technology we have today. There are signs in Earth’s atmosphere that life is on the surface — methane from microbes, […]

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