Size from EarthDemonstrate an understanding that the Moon and Sun appear to be the same size when viewed from Earth
The Sun is approximately 400 times further away from us than the Moon.
The Moon is 400 times smaller than the Sun.
Because of this, the Sun and Moon appear to look the same size in the Sky.
Drag & Drop
Estimate with your fingers how large you think the Moon to be at arms length. Next time you see the Moon, try this again. Does it surprise you?