> Made up of charged particles, a CME could weigh up to a trillion kilograms and can attain a speed of up to 3,000km [1,864 miles] per second while travelling.

> Made up of charged particles, a CME could weigh up to a trillion kilograms and can attain a speed of up to 3,000km [1,864 miles] per second while travelling. That's an impressive 1% of c.