Rare blue moon will bring a Halloween 2020 treat to the skies - CNET

For the first time since World War II, people in all parts of the world will be able to see the Oct. 31 display.

Rare blue moon will bring a Halloween 2020 treat to the skies     - CNET
For the first time since World War II, people in all parts of the world will be able to see the Oct. 31 display.