DABEL5
Why 1986 DA
Where do you source the billions of tons of Fe-Ni needed for a Dyson swarm? A 3 km metallic asteroid, 1986 DA, makes a close approach to Earth in 2038.
Resources
Where do you source the billions of tons of Fe-Ni needed for a Dyson swarm? A 3 km metallic asteroid, 1986 DA, makes a close approach to Earth in 2038.