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The Chelyabinsk meteor is thought to be the biggest natural space object to enter Earth's atmosphere since the 1908 Tunguska event, [23] [24] [25] and the only one confirmed to have resulted in many injuries, [26] [Note 1] although a small number of panic-related injuries occurred during the Great Madrid Meteor Event of 10 February 1896. [27]
The asteroid had an approximate size of 18 m (59 ft) and a mass of about 9,100 t (10,000 short tons) before it entered the denser parts of Earth's atmosphere and started to ablate. [12] At an altitude of about 23.3 km (14.5 miles) the body exploded in a meteor air burst . [ 12 ]
The Torino scale is a method for categorizing the impact hazard associated with near-Earth objects (NEOs) such as asteroids and comets.It is intended as a communication tool for astronomers and the public to assess the seriousness of collision predictions, by combining probability statistics and known kinetic damage potentials into a single threat value.
Photo Illustration by Thomas Levinson/The Daily Beast/Getty/NASAIt was a typical February morning in Chelyabinsk, a large city sitting in the shadows of Russia’s Ural mountains. People bundled ...
21088 Chelyabinsk (provisional designation 1992 BL 2) is a stony asteroid and near-Earth object of the Amor group, approximately 4 kilometers in diameter. It was discovered on 30 January 1992, by Belgian astronomer Eric Elst at ESO 's La Silla Observatory in northern Chile.
Small asteroid was spotted just 12 hours before it struck
Asteroid impacts larger than 1 kiloton of TNT; New Map Shows Frequency of Small Asteroid Impacts, Provides Clues on Larger Asteroid Population (Bolide events from 1994 to 2013 for asteroids ~1+ meter in diameter) Fireball and Bolide Reports (JPL) Newspaper archives drop hints about the Chelyabinsk event and other superbolides; Earth Impact ...
(Reuters) - The chance of a city-killing asteroid striking Earth is higher than scientists previously believed, a non-profit group building an asteroid-hunting telescope said on Tuesday. A global ...