Near Earth Objects

We live on a planet that is constantly struck by asteroids everyday. We have found out about 20,000 NEOs that are 1 million kilometers away from Earth. In the present, we care more about the events that are happening on Earth more than what is happening out there in space. One day when we wake up, an asteroid could strike Earth and wipe out almost all organisms, just like what happened in the Jurassic Age. The dust from the impact covered the Earth in darkness for nearly 100 years, which created the Ice Age. The same event would happen if an asteroid with a diameter larger than 300m strikes the Earth.

This event would be catastrophic! Everyday, NEOs hit the Earth, but most of them are burnt up in the atmosphere. Why should we care about something that is out in space and so far away from us, when there are matters that need to be taken care of right here on Earth? Well, we would never survive an asteroid that could pass through the atmosphere. There are no absolute solution. We could try and deflect, change the course of the asteroid by sending spacecrafts or missiles. That is only a temporary solution. We are save, for now. The Earth's destruction is inevitable, so we have to always be prepared. We could go and colonize planets in space, but our chances for doing so are slim. We could never reach any planets that are outside of our solar system, but it is never bad to hope!