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More PH Astronomy...

PH Astronomy by Anne Poindexter

The darkest part of moon's shadow umbra
The lighter/larger part of moon's shadow penumbra
When the combined forces produce a tide with the greatest distance spring tide
when the sun's pull is at the right angle of the moon neap tide
telescope invented by Galileo Galilei
craters craters on the moon were caused by the impacts of meteoroids (rocks from space)
maria Galileo Galilei thought that the darks places on the moon were oceans...
maria definition Latin for Seas
Created by: APoindexter13