How can we distinguish between scientific fact and science fiction in depictions of moons?

The Orbital Velocities of the Planets · People are fascinated with high-speed travel. · The orbital velocity is 2πR/T where R is the average radius of the orbit ... Kepler's laws show the effects of gravity on orbits. They apply to any object that orbits another: planets orbiting the Sun, moons orbiting a planet, ... Feb 29, 2024 ... Astronomers have discovered three small moons at the farthest planets of our solar system — two circling Neptune and one around Uranus. May 26, 2016 ... New observations have revealed that the story is somewhat more complicated, at least for the oddest planets known, the Hot Jupiters. Elliptical orbits are a lot more important than circular orbits. A spaceship leaving earth and going in a circular orbit won't get very far. Oct 2, 2018 ... ... orbiting the planet. In addition, the ideal candidate planets hosting moons are in large orbits, with long and infrequent transit times. In ... Oct 1, 2024 ... Astronomers have discovered an exoplanet orbiting Barnard's star, the closest single star to our Sun. The user can manipulate the orbital properties of a fictional planet and read off various orbital parameters. Our solar system's planets can also be observed as ... Mar 14, 2024 ... A tower defense game with satellites orbiting planets. ... Once the satellite is placed, it orbits the planet by itself. The gravity of the Sun keeps the planets in their orbits. They stay in their orbits because there is no other force in the Solar System which can stop them.