AS101 Study Guide - Final Guide: Escape Velocity, Continental Drift, Socalled
Document Summary
Chapter 1 - the scale of the cosmos: space and time. Cern: is the home of the large hadron collider, the largest particle accelerator in operation today. Every time you move 10 times away, your field of view encompasses an area 10 x 10 larger than the previous square. Astronomical unit: average distance from earth to the sun; 1. 5 x 108 kilometers. Planet: a non-luminous body in orbit; around a star, large enough to be spherical and to have. Solar system: the sun and its planets, asteroids, comets and so on cleared its orbital zone of other objects. Star: a globe of gas held together by its own gravity and supported by the internal pressure of its hot gases, which generate energy by nuclear fusion. Light year: unit of distance equal to the distance light travels in one year. Nearest star to the sun is proxima centauri, and is 4. 2 light years from earth.
