The Earth’s Moon The Earth’s Moon
A few basicsA few basics
Radius: 1738kmRadius: 1738km Density: 3.34 g/cubic cmDensity: 3.34 g/cubic cm Mean distance: 384,000 kmMean distance: 384,000 km Orbital period: 27.3 daysOrbital period: 27.3 days
Riddling out the history of the Riddling out the history of the moonmoon
There was a long There was a long argument as to argument as to whether the whether the craters of the craters of the moon were moon were volcanic or caused volcanic or caused by impactsby impacts
A Michigan native, Ralph Baldwin, helped A Michigan native, Ralph Baldwin, helped turn the argument in favor of impactsturn the argument in favor of impacts