sun

An event only seen when it gets this cold.

The American Solar Challenge is is currently taking place and, this year, the event follows the route of the Oregon trail, meaning that Casper has served as a checkpoint for the racers.

They also finally have evidence of a dust-free zone encircling the sun.

There was no precedent for such a crowd and no opportunity for a trial run.

The solar storm that hit Earth this week could have been worse, according to scientists