1. A cryogenic liquid-mirror telescope on the moon to study the early universe;Angel;The Astrophysical Journal,2008
2. Organic haze as a biosignature in anoxic earth-like atmospheres;Arney,2017
3. B. O. P. A. A., Commission on physical sciences, mathematics, and applications, division on engineering and physical sciences, national research council;Astronomy and Astrophysics Survey Committee,1991
4. Many chemistries could be used to build living systems;Bains;Astrobiology,2004
5. Isolated refuges for surviving global catastrophes;Baum;Futures,2015