A meteor exploded over Massachusetts Saturday, triggering boom reports, ground shaking, and sightings from Delaware to Montreal.
The Perseid meteor shower peaks Friday night into Saturday morning, with up to 100 meteors an hour visible from dark areas, says Dr. Michael Zevin of Chicago's Adler Planetarium.
With minimal interference from moonlight, the meteors should appear bright and clear if viewed away from city lights.
The Perseids, considered by astronomers to be the best meteor shower of the year, are about to begin.
Fireball sightings were reported in multiple states across the southeastern United States during the day on Thursday, which NASA determined was produced by an asteroidal fragment weighing over a ton and moving over 30,000 mph.
A meteor shower known for the speed of its shooting stars is expected to peak on Monday night, according to astronomers.