We are almost there now. Telescopes that can block a stars light and focus on the dot that is a planet can analyze the spectrum of light to look for gases like oxygen or methane.
8 Answers · Science & Mathematics · 08/12/2019
...such structures can potentially provide you with far more usable living space than you could get around the sun any other way of course if it were possible in...
5 Answers · Science & Mathematics · 08/12/2019
It's a. ................
1 Answers · Science & Mathematics · 10/12/2019