rays

Galaxies Far, Far Away Send Us Highest-Energy Cosmic Rays

发表于 2017-09-22 rays galaxies cosmic

A new study hints that the most energetic particles ever seen come from far beyond the Milky Way. Learn more about your ad choices. Visit megaphone.fm/adchoices

Date of the Vikings' First Atlantic Crossing Revealed by Rays from Space

发表于 2021-10-26 1021 vikings rays

By dating the remnants of trees felled in Newfoundland, scientists have determined that the Norse people likely first set foot in the Americas in the year A.D. …

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