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Tuesday, February 28, 2017

Astronomers Warning About An Asteroid Larger Than The Empire State Building May Crash To Earth

Asteroid 2015 BN509 is an asteroid that is bigger that the Empire state building and even larger than London's shard could crash to Earth in the near future after flying past Earth a few weeks ago.

Astronomers Warning About An Asteroid Larger Than The Empire State Building May Crash To Earth

This asteroid almost hit the planet a few weeks ago but the astronomers says that it could present a risk to human race. The astronomers saw it flew past Earth using a giant radio telescope that is called Arecibo Observatory. With their estimate, the asteroid is almost 200 meters wide and 400 meters long. Astronomers warned that at its closest path, it came just 14 times the space between Earth and the Moon.

A planetary scientist named Dr. Edgard Rivera-Valentin from the Universities Space Research Association who studies the data from the Arecibo Observatory in Puerto Rico told that the peanut shape came from the fact that it is a contact binary where the 2 parts of the asteroids could not orbit each other and fell back together.


He also added that Arecibo goes beyond acting like a fortune teller, we can distinguish these objects. The impact of the asteroid is unlike other calamity, it can be avoided. The data from Arecibo can be used by NASA to tell a planetary defense mission.

NASA is prepared for this kind of dangerous asteroid. In a way.

Scout is an early warning device placed by the US Space Agency. Once it spots an incoming asteroid, it can calculate the potential flight path. When it detects a possible dangerous object, it alerts 3 other telescopes so a follow up observation can be executed so that scientist can pinpoint the asteroid's course.

Reports shows that each year, roughly 1,500 near Earth objects or NEOs are identified. NASA was able to classify more than 90% of them is more than 1 kilometer.

To be able to detect more possible dangerous objects, NASA has suggested to make a infra-red space telescope called NEOcam to assist finding more NEOs.

David Schurr, the deputy director of NASA's planetary science program said that the NEOcam is working to analyze activities that could be finished this year that would limit the technical, schedule and cost risk of a future mission.

The NEOcam space telescope will examine the regions of space which are closest to Earth's orbit where scientist thinks that a large number of dangerous asteroids. NEOcam will use infra-red lights to find out the attribute and physical properties of the asteroids.

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