Radiation ring around Earth mysteriously appears, then dissipates | Science News

MISSION CRITICAL

Support credible science journalism.

Subscribe to Science News today.


News

Radiation ring around Earth mysteriously appears, then dissipates

Two Van Allen belts temporarily became three, possibly in response to solar activity

By
5:05pm, February 28, 2013

High above Earth’s surface float two rings of energetic charged particles, and for about four weeks in September, they were joined by a third. The temporary ring may have formed in response to a solar shock wave that passed by Earth, researchers report online February 28 in Science.

This article is available only to subscribing members. Join the Society today or Log in.

Get Science News headlines by e-mail.

More from this issue of Science News

[title_1]