Astronomers finally managed to track down the origin of a meteor that hit the central part of Russia, and injure about 1000 people at the beginning of February, as the BBC reported on Tuesday (2/26).
Utilizing amateur video recordings depicting the fall of the meteor, astronomers were able to predict the flow of meteor that path through the Earth’s atmosphere, and to reconstruct the space object that orbits the Sun.
In some recordings of the rock looks great when the sky was on fire streaking over the city of Chelyabinsk. The explosion caused the vibrations cause the entire building in the city until the shattered buildings.
They make use of some video footage captured using mobile cameras, cctv and camera cars circulating in cyberspace. In addition, they also use video footage from traffic cameras that have the exact time and date.
Preliminary estimates meteor was a weight of 10 tons. In recent years the United States space agency, NASA, estimated that the meteor had a weight of about 7000 to 10,000 tons. NASA also predicted celestial bodies measuring about 17 meters.
Jorge Zuluaga and Ignacio Ferrin of Universitu Antioquia, Medelin – Scientists behind the study – and then combine it with the tape-recorded meteor crash site on Lake Chebarkul and using simple trigonometry to calculate the height, speed, and position it was when the meteor fell to Earth.
To reconstruct the original orbit of the meteor around the Sun, they used six different paths. All of it has to do with the point when the meteor was starting to look bright and visible to the naked eye.
The two researchers then enter the numbers they get into an astronomy software developed by the U.S. Naval Observatory.
The results showed that the meteor came from outer space rocks are well known – named after the Apollo asteroids – which does cross Earth’s orbit.
So far 9700 has been near-Earth asteroids have been found and about 5,200 of which came from Apollo. Asteroids is divided into several groups such as Apollo, Aten, or Amor, depending on the type of their orbit.
The research team from Colombia has presented details of his findings that the website Arxiv.