A partial lunar eclipse

Lunar eclipse

A lunar eclipse occurs when the Moon passes behind the Earth so that the Earth blocks the Sun's rays from striking the Moon. This can occur only when the Sun, Earth, and Moon are aligned exactly, or very closely so, with the Earth in the middle. Hence, a lunar eclipse can only occur the night of a...

lasting just 12 minutes will take place on September 29, 2042. Only 0.3% of the moon will be partially eclipsed by the Earth's shadow making it the shortest partial eclipse of the 21st century and there will be no partial eclipse this narrow until a 12 minute eclipse on Dec 11, 2429. These partial eclipses are very rare.