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Explore these ideas and much more!’s Word of the Day - bolide - a large, brilliant meteor, especially one that explodes

A slight uptick in the solar wind speed was enough to spark auroras around the Arctic Circle on Dec. 15th. In Troms, Norway, the earth turned nearly as green as the sky

Meteorite experiment. Sand, flour, and cocoa powder to represent rock and soil layers. Drop marbles or other objects into the bin.

Large Fireball Meteor Exploded Over Several States in US & Canada

Dave Markel captured this proton arc near Kamloops, British Columbia, Canada, on September 28, 2016.

Probably the luckiest shot I'll ever take. A meteor exploding above the setting moon during the Perseid Meteor shower earlier this summer.