Geography, 07.04.2020 19:54 lafuiciosa10
Protostars are difficult to observe because . a. they are surrounded by cocoons of gas and dust. b. they radiate mainly in the ultraviolet part of the spectrum. c. they are too far away to be observed from the Earth the protostar stage is way too short (less than 1 year)
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Protostars are difficult to observe because . a. they are surrounded by cocoons of gas and dust. b....
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