Astr 330 - Study guides, Class notes & Summaries

A SpaceX rocket just successfully landed on a floating drone ship. What type of fuel did the rocket use? a. Nuclear rocket b. Ramjet c. Ion drive d. Light sail e. Warp drive f. Chemical rocket g. Matter-antimatter rocket - ️️f About how many standard amino acids are used by known life on Earth? a. 4000 b. 20 c. 40 d. 100 e. 10 f. 1000 - ️️b According to modern ideas and observations, what can be said about the location of the center of our expanding Universe? - ️️T...