mission –n. a task or a job given to a person or group
solar system –n. all the planets and other objects that orbit the sun
source –n. the provider of something that is needed or wanted
engulf –v. to flow over and cover
kilowatts –n. a measure of electrical power
reactor –n. a device (usually a large device) that produces energy from a nuclear reaction
core –n. the central part
paper towels –n. sheets of paper that are used for cleaning which usually come in rolls
recharge –v. to replace lost electrical power