Essays Tagged: "manned spacecraft"

Conceptual Rocket Propulsion Systems.

stem ever, because 100 percent of the mass is converted to energy. Using this type of propulsion, a manned spacecraft would be able to travel to Mars in about 1 month (using only about 10 grams of ant ... werful laser would be needed to propel a large craft though, but microwaves can be used to propel a manned spacecraft. A light craft has been created and tested, but a microwave craft would need an or ...

(3 pages) 59 1 3.9 Nov/2003

Subjects: Science Essays > Engineering