Einstein once asked whether “the moon exists only when I look at it?". It was rhetorical objection to the idea that measurement in quantum mechanics causes reality to become real. But there was a time when the moon didn’t exist, and then...

Mister Brown and Squeaks are learning all about different cycles, or patterns, as they get ready for summer!

The cycles of the Moon are said to affect reproductive rhythms, from humans to coral. How could this be? Physics - Our Solar System - Learning Points. The Moon exerts a strong influence over life cycles on Earth. Cycles of the Moon have...

This visualization shows the Moon's phase and libration at hourly intervals throughout 2015, as viewed from the southern hemisphere. Each frame represents one hour. In addition, this visualization shows the Moon's orbit position,...

This visualization shows the Moon's phase and libration at hourly intervals throughout 2015, as viewed from the southern hemisphere. Each frame represents one hour.

This visualization shows the Moon's phase and libration at hourly intervals throughout 2015, as viewed from the northern hemisphere. Each frame represents one hour. In addition, this visualization shows the Moon's orbit position,...

This visualization shows the Moon's phase and libration at hourly intervals throughout 2015, as viewed from the northern hemisphere. Each frame represents one hour. <br/>