The Orionids meteor shower

The Orionids meteor shower, which is generated by the famous Halley’s Comet, is happening this week. Halley’s Comet is only visible from Earth once every 75 years, but residual chunks from its tail generate two annual meteor showers: the Eta Aquarids in May and the Orionids in October.

Meteor showers typically come from the dusty, rocky guts that comets leave behind as they fly through the Solar System. When Earth passes through a comet’s tail, its gravitational pull attracts their debris, which then enters the atmosphere, burns up, and is seen as a falling star or meteor. This week’s Orionid meteor shower is your last chance of the year to catch a glimpse of this famous comet’s guts as they rain down through Earth’s atmosphere.

The best time to see the Orionids this year, which is when the most meteors will be streaking across the sky, will be in the early morning hours – right before dawn – on Wednesday, October 21 and Thursday, October 22, according to Source: Here’s how to watch this week’s stunning meteor shower

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