Cosmic Life-force |
Contents
List of illustrations | 1 |
The legacy of comets | 15 |
The conquest of the solar system | 28 |
Copyright | |
7 other sections not shown
Common terms and phrases
amino acids astronomical atmosphere atoms attack rates bacteria bacteria and viruses bacterium biology carbon chemical civilisation clouds Comet Encke Comet Halley cosmic dust detected disease dust grains dust particles Earth energy enzymes epidemic eventually evidence evolution exist explosive extraterrestrial intelligence fossil record freezing nuclei frequency galactic genes genetic Giotto Halley's comet heat human hydrogen infection influenza infrared inorganic interstellar interstellar cloud life-forms living logical lunar magnetic field Mars Martian meteorites metres microbial micrometres microorganisms microwave million years ago nature nuclear nutrient observed occur orbits organic material organic molecules origin period planet planetary system plants and animals population possible present produce properties protons radio satellites seen shepherd satellites signals similar solar system space species spectrum spiral galaxy star formation structures sunlight surface survival telescope temperature terrestrial theory thought tion Universe Vale of Glamorgan viral virus wavelength Wickramasinghe