Contents
Mostly about Chesley Bonestell | 9 |
Luna | 41 |
The Solar Family | 89 |
Copyright | |
1 other sections not shown
Common terms and phrases
actual distance albedo altitude amount aphelion apogee appears areas astronomical units atmosphere body Brennschluss canals caused central peak Chesley Bonestell circle comet crater dark degrees Fahrenheit Deimos desert discovery disk earth Edison Pettit ellipse Eros escape velocity exhaust velocity fact feet focal points fuel Galilei gravitational field Gruithuisen hemisphere impact impact craters instruments Jupiter Jupiter's Kepler layers Lescarbault Leverrier look lunar Mare maria Mars Martian mass mass-ratio Max Wolf Mercury Mercury's meteorite miles in diameter miles per second million miles moon moon's moonship Mount Wilson mountains move named Neptune observations Observatory orbit Palomar Observatories parabola perihelion photographic picture pilot planet planetoids Pluto probably rings ringwall rocket motor rotation satellite Saturn Schiaparelli seen smaller solar system spaceship spectroscope spot star surface take-off telescope temperature tilt trajectory trip Tycho Uranus Venus vertical visible visual angle 40 winged rocket