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please answer these questions in essay format pleasethe absolute ages of surfacesin the first half of the course you
the total mass of the sun is about 2 times 1030 kg of which about 75 was hydrogen when the sun formed however only
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to put into context the project objective was to have sketches of the moon phase horizon etc for two weeks straight
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question 1 judging from their doppler shift all quasarsa are moving fast relative to us compared to speeds of most
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the total mass of the sun is about 2 times 1030 kg of which about 76 was hydrogen when the sun formed however only
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suppose you observe a binary system containing a main-sequence star and a brown dwarf the orbital period of the system