Asteroids that pass close to Earth could carry a spaceship to other worlds
James Blake/Falklands Maritime Heritage Trust
Astronauts could travel to Mars and Venus by hitching a ride on asteroids, burying under the surface to protect themselves from radiation.
High levels of harmful radiation from the sun and galactic cosmic rays would be a major concern for humans making long journeys beyond Earth’s protective magnetic field.
“Going to Mars and coming back again is going to double or triple the amount of time…
