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moon 作者: Mind Map: moon

1. history of the moon

1.1. they didnt know much about the moon till the space race began in 1950s

1.2. at night the moon reaches a temp of -173 c and +127c

1.3. some of the moons craters can reach up to -240 c

2. different surfaces of the moon

2.1. if you look at the moon with binoculars or a stethoscope you might see valleys and craters

2.2. one recently discovered crater could fit Everest in it