An annular solar eclipse occurs when the moon is farther away from Earth in its orbit, making it appear smaller. Fact check : Flat Earth claim based on gas pressure fails to account for gravity's ...

Astronomers use astronomical units to describe how far away objects in space are, mostly in relation to the sun or other stars. For instance, Jupiter is about 5.2 AU from the sun, according to NASA .

So how far away would a tennis ball Moon have to be from the ... 800,000 km (480,000 miles) away: twice as far as the real Moon is from the real Earth! Space is big. Very, very big. Tip o’ the ...