Astrobiology is a remarkably interdisciplinary field. This reference serves as a key to understanding technical terms from the different subfields of astrobiology, including astronomy, biology, chemistry, the geosciences and the space sciences.After they have acquired most of their mass, but before they begin to fuse hydrogen, stars slowly contract. In the HR diagram, these am pre-main-sequence stars descend along paths whose location depends on the stellar mass. All paths start atanbsp;...
|Title||:||Encyclopedia of Astrobiology|
|Publisher||:||Springer Science & Business Media - 2011-05-26|