Questions about solar storms, slingshot spiders and more reader feedback
Your letters and comments on the April 13, 2019 issue of Science News
Blast from the past
Ice core and tree ring data indicate that nearly 3,000 years ago, Earth was blasted with one of the strongest solar storms ever to pummel the planet, Carolyn Gramling reported in “One of the strongest known solar storms blasted Earth in 660 B.C.