3 ms·
http://news.bbc.co.uk/2/hi/sci/tech/401227.stm http://news.bbc.co.uk/2/hi/sci/tech/401227.stm "The physical composition of asteroids is varied and in most case
by njharman 16y ago
http://news.bbc.co.uk/2/hi/sci/tech/401227.stm http://news.bbc.co.uk/2/hi/sci/tech/401227.stm
"The physical composition of asteroids is varied and in most cases poorly understood" - http://en.wikipedia.org/wiki/Asteroid#Composition http://en.wikipedia.org/wiki/Asteroid#Composition
- olliesaunders 16y agoThis bit is interesting: "In the 2,900 cubic kms of Eros, there is more aluminium, gold, silver, zinc and other base and precious metals than have ever been excavated in history or indeed, could ever be excavated from the upper layers of the Earth's crust. That is just in one asteroid and not a very large one at that. There are thousands of asteroids out there."