We could need ten years to stop any asteroid hitting Earth

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If an Earth-bound asteroid was seen with only six months' warning, a group of scientists from NASA and other space agencies has concluded that no-one could do anything to stop it hitting the planet, according to Business Insider.

Their simulation, which played out online from April 26 to April 28 according to Space.com, found that there isn't a spacecraft capable of getting off the ground and flying up to disrupt the asteroid's trajectory in that amount of time.

Having used a scenario where an asteroid was spotted 35 million miles from Earth, Paul Chodas, manager of NASA's Center for Near-Earth Object Studies, told Business Insider that we would need a minimum of five years to stop any threat.

However, MIT astronomer Richard Binzel concluded we would need at least 10 years, in order to study aspects of the asteroid such as its size, its path around the sun, and what it's made up of.

RUNDOWN SHOWS:
1. Asteroid hitting Earth
2. Asteroid hitting Earth and rocket launched too late
3. The asteroid belt in our solar system
4. Close-up of asteroid
5. Number of asteroids tracked
6. Asteroid knocked off course

VOICEOVER (in English):
"If an Earth-bound asteroid was seen with only six months' warning, a group of scientists from NASA and other space agencies has concluded that no-one could do anything to stop it hitting the planet, according to Business Insider."

"Their simulation, which played out online from April 26 to April 28 according to Space.com, found that there isn't a spacecraft capable of getting off the ground and flying up to disrupt the asteroid's trajectory in that amount of time."

"Having used a scenario where an asteroid was spotted 35 million miles from Earth, Paul Chodas, manager of NASA's Center for Near-Earth Object Studies, told Business Insider that we would need a minimum of five years to stop any threat."

"However, MIT astronomer Richard Binzel concluded we would need at least 10 years, in order to study aspects of the asteroid such as its size, its path around the sun, and what it's made up of."

"Legislation created in 2005 directed NASA to find 90 percent of near-Earth objects 140 meters or larger by 2021. However, according to Business Insider it has currently only tracked 40 percent."

"In an ideal scenario any asteroid would be dealt with in one of three ways. An explosive device could be detonated to break it into smaller chunks, lasers could be used to vaporize it, or a spacecraft could be sent to hit and change its trajectory."

"Each of these options, though, would take years to implement."

SOURCES: Business Insider, NASA, Space.com
https://www.businessinsider.com/nasa-asteroid-simulation-reveals-need-years-of-warning-2021-5?r=US&IR=T
https://www.nasa.gov/feature/saving-earth-from-asteroids
https://www.space.com/planetary-defense-asteroid-impact-scenario-exercise-2021