One interesting technique is being worked on at the University of Alabama in Huntsville. The strategy would involved placing a laser system into space, or at a future Moon base. When a potential Earth-crossing asteroid is discovered, the laser would target it and fire for a long period of time. A small amount of material would be knocked off the surface of the asteroid, which would deflect its orbit slightly. Over a long period of time, the asteroid course correction would add up, turning a direct hit into a near miss.
A laser system like this is a long way off, but a system could be developed sooner that could focus on asteroids and help measure their properties and precisely track their orbits, helping remove some of the uncertainty.
Original Source: UAH News Release
Like a performer preparing for their big finale, a distant star is shedding its outer…
For a little over a month now, the Earth has been joined by a new…
Despite decades of study, black holes are still one of the most puzzling objects in…
74 million kilometres is a huge distance from which to observe something. But 74 million…
Astronomers have only been aware of fast radio bursts for about two decades. These are…
How do you weigh one of the largest objects in the entire universe? Very carefully,…