Part 1. Vocabulary The keywords that you will read in the article are defined below for your reference and learning new words and their pronunciation. origin /ˈôrəjən/ n. - the point or place where something begins, arises, or is derived: example: The English word "rendezvous" is French in origin. collide /kəˈlīd/ v. - hit with force when moving: example: "She collided with someone" orbit /ˈôrbət/ n. - the curved path of a celestial object or spacecraft around a star, planet, or moon, especially a periodic elliptical revolution: example: "the Earth's orbit around the sun" verb: to revolve in an orbit around: CIRCLE bump off /bəmp - ôf/ idiom - To remove someone or something from a list or hierarchy due to lack of time or space. Example: I'm staying in [place] another night because I got bumped off my flight. dense /dens/ adj. - marked by compac