How big was the asteroid that hit Chelyabinsk?
How big was the asteroid that hit Chelyabinsk?
about 17 meters
“The asteroid was about 17 meters [56 feet] in diameter and weighed approximately 10,000 metric tons [11,000 tons],” Peter Brown, a physics professor at Western University in Ontario, Canada, said in a statement.
How old is the Chelyabinsk meteorite?
4.5 billion years old
The original crystallization age of the parent body asteroid, says Righter, might be 4.5 billion years old.
When did the last big asteroid hit Earth?
66 million years ago
The last known impact of an object of 10 km (6 mi) or more in diameter was at the Cretaceous–Paleogene extinction event 66 million years ago.
Which asteroid will hit Earth next?
On average, an asteroid the size of Apophis (370 metres) is expected to impact Earth once in about 80,000 years. Observations in 2020 by the Subaru telescope confirmed David Vokrouhlický’s 2015 Yarkovsky effect predictions….99942 Apophis.
| Discovery | |
|---|---|
| Spectral type | Sq |
| Absolute magnitude (H) | 19.7±0.4 19.09±0.19 18.95±0.15 |
What was the name of the meteor that hit Chelyabinsk?
Called 2012 DA14, it passed within 17,200 miles (27,000 kilometers) of Earth. NASA quickly pointed out that the asteroid was traveling in a direction that was opposite to that of the small body that exploded over Chelyabinsk. [ In Photos: Meteor Streaks Over Russia, Explodes]
Which is stronger Tunguska meteor or Chelyabinsk meteor?
The explosion was pegged as 30 to 40 times stronger than the atomic bomb the United States dropped on Hiroshima, Japan, during World War II. Chelyabinsk, however, did not produce as much of a blast as the Tunguska meteor, another object that exploded over Siberia in 1908.
Where was the space rock found in Chelyabinsk?
In the days after the explosion, meteorite hunters worldwide rushed to the remote area to try to find pieces of the space rock (which exploded high up in the atmosphere). Just three days after the explosion, on Feb. 18, 2013, the first reports came in that pieces had been found around Lake Chebarkul, 43 miles (70 km) north of Chelyabinsk.
What kind of asteroid is close to Earth?
An asteroid is a small rocky body that orbits the Sun. A close-up view of Eros, an asteroid with an orbit that takes it somewhat close to Earth. The photo was taken by NASA’s Near Earth Asteroid Rendezvous – Shoemaker spacecraft in 2000.
