(n.) the total number or quantity of something
amount
(n.) the study of planets, stars, and other objects in space
astronomy
(n.) Earth or a round model of planet Earth
globe
(n.) a star and the planets in orbit around the star
solar system
(v.) to provide what is needed by someone or something
support
(n.) the outside part or layer of something
surface
(n.) the measure of how hot or cold something is
temperature
(n.) the quality or state of being warm
warmth
(v.) to put in motion with force
launch
(n.) an unmanned spacecraft that is sent into space to gather and send information back to Earth
satellite
(v.) to watch or follow someone or something
track
(v.) to look at, study, or travel to a place to learn more about it
explore
