Fireball lights up sky over Bay Area, Northern California







Marnie Mattice, of Reno, said she was jogging with a friend when she saw the meteor light up the sky "kind of like lightning," then appear like "a very bright signal flare" in the distance.

"It wasn't symmetrical like a star, but more of an irregular circle. As it burned out, it left a trail and what appeared to be smaller glowing particles. It lasted long enough that we could stand and watch it burn out completely," she said.

The fireball might have been about the size of a small car when it entered Earth's atmosphere, Lunsford said, adding that it most likely disintegrated from five to 50 miles above Earth. He said its speed wasn't immediately known, but even the slowest meteors travel 10 miles per second, which is much faster than a speeding bullet.

While meteors streak through the sky around the globe every day, they're rare to see because they also occur during daylight hours, on cloudy nights or over remote, uninhabited areas.

Thursday's event wasn't as spectacular as an April 22 fireball that streaked across the same general line of California and Nevada, said Dan Ruby of the Fleischmann Planetarium in Reno.

Experts said the earlier fireball was probably about the size of a minivan when it entered the Earth's atmosphere with a loud boom and about one-third of the explosive force of the atomic bomb. It was seen from San Francisco and Sacramento, Calif., to Las Vegas and parts of northern Nevada.

"This latest fireball was a run-of-the-mill fireball. It wasn't as big or loud," Ruby said.

Only a handful of people reported hearing a "rumbling" noise with it, Lunsford said.

Astronomers say the meteor heralds the upcoming start of "fireball season," as February, March and April are the best months to see one anywhere in the sky just after sundown.

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