What is astroplaning?

What are the 2 brightest stars in the sky and how can they be identified? Four identical masses of mass 700 kg each are placed at the corners of a square whose side lengths are 14.0 cm What is the magnitude of the net gravitational force on one of the masses? This planets 15 moons are each named after a character in a Shakesperes play? What place do stars rise and set perpendicular to the horizon? Is planet Polyphemus real? Where are linticular clouds found near? Can a galaxy die? What year will 1969 calendar repeat? What was the goal of Apollo 9? Which Jovian moon has the most geologically active surface? How does subsidence affect night flying? How many moons does meteorites have? What nine elements were named after objects from outer space? How many miles is it to space? What year was it 200000 years ago? How much is atmosphere worth? What place has the most fog .? Why do planes fly high? Where is living and working quarters for astronauts in space? What would line value shape form space texture and color be examples of?