Unmanned or Manned?

Takes away the risks imposed on astronauts.

Unmanned or Manned?

The cost for missions is much higher per mission.

Unmanned or Manned?

These missions are subject to very high risks because of the many failures that could occur, especially when experimenting in new systems.

Unmanned or Manned?

These missions in space require life support. These extremely complex systems need to be installed in the spacecraft.

Unmanned or Manned?

Do not have to be brought back, making these missions only half the work, if not less.

Unmanned or Manned?

These missions allow us to go to more places for the same amount of money.

These missions are restricted in the places they can go because of physical boundaries.

Unmanned or Manned?

Humans need to be brought back alive after the mission has been completed. This will also add complex missions to the spacecraft.

Unmanned or Manned?

Doesn't require any life support.

Unmanned or Manned?

Can go places with extreme conditions.