School-college Physics Notes: Astronomy 7. The phases of the Moon
ASTRONOMY: 7. Explaining the phases of the Earth's moon
Doc Brown's Physics exam study revision notes
Explaining the phases of the Earth's moon
A few details about our moon
The gravitational field strength on the moon is much smaller than on Earth because of its much smaller mass.
The moon does NOT have an atmosphere, its mass, and hence its gravity, is too low to hold on to an atmosphere.
There are no sedimentary rocks on the moon because there is no atmosphere, so there has been no weather to bring about weathering, erosion, transportation, deposition and compression to form sedimentary rocks.
There will be metamorphic rocks on the moon because there is evidence of volcanic activity and even igneous rocks when heated can re-crystallise to form a 'new' metamorphic rock.
Keywords, phrases and learning objectives for astronomy
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