In Order for a Solar Sail Spacecraft to Be Accelerated

question 1

Multiple Choice

In order for a solar sail spacecraft to be accelerated to speeds high enough to accomplish interstellar travel in a reasonable amount of time, it would need to be started

• A) from a lunar orbit where the gravity is weaker
• B) close to Earth using mirrors on the surface to reflect sunlight onto the sails
• C) far from the Sun so Jupiter could be used to help it on its way using a gravitational assist
• D) close to the Sun where the radiation pressure is higher