The sun fired off an intense solar storm at Earth Wednesday (Aug. 21) -- the second in two days -- hurtling billions of tons of charged particles at our planet, but should not pose a threat to people on the ground, NASA says. See what happened.
The sun fired off an intense solar storm at Earth Wednesday (Aug. 21) -- the second in two days -- hurtling billions of tons of charged particles at our planet, but should not pose a threat to people on the ground, NASA says. See what happened.