There are no current public plans for what happens if an asteroid is on a confirmed collusion course with the earth by any government. Although many governments most notably the UK have commissioned companies to submit plans for the inevitable event. On the other hand it is widely believed that most governments have secret plans on what their government will do in the event.
Plans have circulated the scientific community about what to do. These plans include breaking the asteroid up with nuclear devices, despite the general consensus that asteroids are too dense for a nuclear device to do any damage and even if it does it will simply break the asteroid into several objects still on a collusion course. Other plans include pushing/diverting the asteroid with a variety objects including a laser beam to slowly push the asteroid.
Currently NASA tracks any object that is 700m or greater in diameter although plans are in the works to make that 70m. Another possibility that has been documented is that the Russians have 3 50 kiloton nuclear missles in silos strategically placed across Siberia. although this approach would work it would send a debris cloud hurtling towards earth causing wide spread but minor damage.
It is FAR easier to change the direction of an asteroid than to blow it up. All that is needed to accomplish the former is to nudge the asteroid a little off its collision course with Earth, and this could be done with some small explosions on the side of that asteroid. Blowing up an asteroid would be a complete waste of energy.
The size, speed, location and angle of impact of the object with the Earth. A major factor would be if the impact is on water or land.
An asteroid is space debris made up of rock and metal and can range drastically in size. When an asteroid makes a collision course for Earth, it is called a meteor. A meteor that manages to hit the Earth is called a meteorite.
If an asteroid were to hit Earth, it could do HUGE damage. It was the changes to Earth after an asteroid hit that killed off the dinosaurs. But if we knew about an asteroid heading our way long enough ahead of time, maybe we could change it's course enough to make it miss, and save millions of lives.
From the sun it goes Mercury, Venus, Earth, Mars, ASTEROID belt, Jupiter, Saturn, Uranus, Neptune, Pluto (although no longer classed as a planet). So the earth is inside the orbit of the asteroid belt.
It is FAR easier to change the direction of an asteroid than to blow it up. All that is needed to accomplish the former is to nudge the asteroid a little off its collision course with Earth, and this could be done with some small explosions on the side of that asteroid. Blowing up an asteroid would be a complete waste of energy.
Yes, if the asteroid is captured by the Earth's gravitational pull.
There is no way to avoid an impending collision.
The Gr8 JAke
The size, speed, location and angle of impact of the object with the Earth. A major factor would be if the impact is on water or land.
An asteroid is space debris made up of rock and metal and can range drastically in size. When an asteroid makes a collision course for Earth, it is called a meteor. A meteor that manages to hit the Earth is called a meteorite.
99942 Apophis is a 270m diameter near Earth asteroid that was thought to be on a collision course with Earth. It caused a panic in 2004 as it was thought that it might hit the earth in 2029. New calculations estimate that the asteroid will now most likely miss.
You cannot "avoid" a collision; if the asteroid is headed this way, it will hit. They aren't steerable. Give us another 50 years or so, and perhaps we would be able to prevent it.
No. While an impact from a large asteroid could cause a mass extinction event, no asteroid is large enough to destroy Earth. Collisions on the scale of the one that caused the last mass extinction occur roughly once every 100 million years. No known asteroids are on a collision course with Earth any time in the next 100 years.
The most probable cause was a collision between the earth and a large asteroid, part of the earth being broken off and forming the moon.
There is one known asteroid which has some slight probability of colliding with the Earth. (There are no doubt many things on a collision course with Earth of which we are blissfully unaware.) This asteroid is called Apophis. It is a space rock which will pass close to Earth on Friday, April 13, 2029. Apophis will not hit the Earth on that pass, but the worry is that there will be some gravitational perturbation that might cause Apophis to come closer than expected on Friday, April 13, 2037. Current calculations indicate that the chance of a collision is about one chance in 40,000. There are other rocks in space that will occasionally come close. Someday, one of them will hit us. We don't know when.
A black hole would eventually swallow up the entire Earth. An asteroid would provoke great catastrophes - depending, of course, on the mass of the asteroid.