Sentences with phrase «paper spacecraft mission»
He was flipping through «Paper Astronaut: The Paper Spacecraft Mission Manual» and asked: «Would we have gone to the Moon if there hadn't been a cold war?»
https://dotearth.blogs.nytimes.com/ Not exact matches
One possibility, raised in a 2009 paper by New York University - trained physicist Jia Liu, might be using dark matter as an energy source to power spacecraft on extremely long missions.