- Dr. Austin Langham: You know we're building artificial satellites?
- Dr. Austin Langham: Shoot 'em into space, and they just... float around.
- Dr. Austin Langham: No tether.
- Dr. Austin Langham: No responsibilities.
- Dr. Austin Langham: That's how I used to feel.
- Margaret Scully: They're not actually floating.
- Dr. Austin Langham: Hmm?
- Margaret Scully: My daughter took a science class.
- Margaret Scully: I borrowed her book.
- Margaret Scully: There are thousands of objects in orbit.
- Margaret Scully: Gravity pulls them toward Earth, but the Earth keeps... curving away underneath them.
- Margaret Scully: They're not actually floating.
- Margaret Scully: What they're really doing... is falling.