lunar – adj. relating to the moon

reflect – v. to send back or bounce off

crater – n. a large round hole in the ground made by the explosion of a bomb or by something falling from the sky

pole – n. the part of a body, such as Earth, that is furthest north or south

cosmic – adj. relating to the whole universe

infrared – n. technical: producing or using rays of light that cannot be seen and that are longer than rays that produce red light

galaxy – n. a large group of stars from the same universe

capability – n. the ability or power to do something

ultimate – adj. the final or most important