Why do we not use nuclear energy to roam about in space and go the distance if it lasts long and needs minimum refueling?

Question

Why do we not use nuclear energy to roam about in space and go the distance if it lasts long and needs minimum refueling?

In: 4

Answer 1

Nuclear energy is not currently used for space exploration because it presents safety concerns due to the potential for accidents or radioactive material getting into the environment

Additionally, it is challenging to handle and dispose of nuclear waste in space.