Spacecraft Propulsion and Navigation Quiz

What are the two methods used by the Nancy Grace Roman Space Telescope to move and point?

• Magnetic fields and solar sails

• Reaction wheels and thrusters

• Ion engines and parachutes

• Solar panels and gyroscopes

How many thrusters are fueled by the propulsion tanks in the Roman Space Telescope?

• 24

• 30

• 18

• 12

What is the primary function of the Delta V engines on the Roman Space Telescope?

• To provide power to the spacecraft

• To stabilize the spacecraft

• To perform large maneuvers

• To communicate with Earth

What principle do thrusters use to move the spacecraft?

• Conservation of mass

• Conservation of charge

• Conservation of momentum

• Conservation of energy

What happens when the reaction wheels reach their maximum speed?

• They are slowed down by firing thrusters

• They stop functioning

• They increase the spacecraft's speed

• They need to be replaced