Although asteroids are in elliptical orbits far out in space, these rocks also rotate, sometimes quite erratically in their orbit. Interaction with the gravitational field of a planet can cause asteroids to deviate from their trajectory and impact a planet like Earth. These space rocks are usually made up of rocks, but they can also be made of metals such as nickel and iron, or even clay. The increasing proximity of asteroids to Earth makes it imperative for space agencies to continuously monitor them.
In response to an approaching asteroid today, NASA has issued a warning. Know the asteroid's details here.
It has been reported by NASA that the asteroid, identified as Asteroid 2006 HX57, is close to Earth, traveling at 39655 kilometers per hour. It will make its closest approach to the Earth today, May 5, at a distance of 2.6 million kilometers. Furthermore, NASA has revealed that it belongs to the Apollo group of Near-Earth Asteroids.
In terms of size, NASA estimates it to be around 94 feet wide, making it almost as big as an aircraft! Although NASA scientists estimate that an asteroid would have to be about 96 km wide to completely and utterly wipe out life on Earth, smaller asteroids such as Asteroid 2006 HX57 also have the potential to cause damage up to some extent.
For example, the asteroid which exploded over the city of Chelyabinsk was just 59 feet wide. When it exploded, it damaged nearly 8000 buildings and left over 1000 people injured.
Although asteroids have been safely passing near Earth these past few months, it doesn't mean a collision with Earth isn't on the cards. In fact, an asteroid was the reason behind the extinction of one of the largest species on the planet nearly 65 million years ago – dinosaurs.
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