Transcription: Carol Patzner, Astropotany beginning and end. A young student put a pertinent question to a senior scientist, Gavril Andreyanovich Tikov. Can it be that the severe climate of Mars makes the vegetation reflect almost no ultraviolet radiation? It is true that almost half the Sun's energy is in the ultraviolet, and the Martian flora cannot use it at all. Tikhov realized that his student had suggested an answer to a problem which had been puzzling him for years. Mars receives one and a half times less solar energy than the Earth, so why should plants there absorb the same quantity of sunlight? Tik ...
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