By enthusiastically tracking dashcam footage from a particularly spectacular fireball seen in Central Europe in February 2020, a team of scientists identified possible causes of space rock.
The fireballs that appeared on February 28 and 10:30 am local time were recorded by a small number of cameras scattered throughout Slovenia, Croatia, Italy, Austria and Hungary. And the footage seemed to show that the space rock split into 17 small pieces during the air burst event. asteroid Survive the harsh passage Earth’s atmosphere However, it explodes before hitting the surface of the planet.
Locals found three works weighing a total of 1.6 pounds near the Slovenian city of Novomest. (720 grams). (But the biggest fragments seen in the footage-potentially 2 pounds or 10 kilograms on their own-are not among them.)
To better understand the event, a team of scientists decided to stitch together the footage to track the path of space rocks to Earth.Usually it is achieved by following the path of a fireball across the stars — but this is meteor It fell during the day.
As a result, scientists recruited locals to film the same landmarks shown in the video. By combining images of fireballs, images of the sky, and images of known light sources taken with one of the same types of cameras used for fireballs, researchers can connect space rock paths. It’s done.
Scientists are uncertain, but this path suggests that meteors may hail from near-Earth asteroids.
Scientists could improvise the fireball observations, but Central Europe is packed with nighttime cameras, hoping that future meteors in the region will arrive at night. is.
In a statement released by the Europlanet Association, Dennis Bida, a planetary scientist at Western University in Toronto, Canada, said, “The path of the fireball is the world most closely observed by night-time professional cameras. It’s in the empty volume of. ” At that annual meeting he presented his work on Tuesday (September 21st). “If that happened only a few hours ago, the road would have been captured by at least 20 people.”
A vibrant dashcam fireball video helps scientists find three meteorites in Slovenia
Source link A vibrant dashcam fireball video helps scientists find three meteorites in Slovenia