AS101 Chapter Notes - Chapter 1: Astronomical Unit, Spiral Galaxy, Particle Accelerator
Document Summary
Chapter 1: the scale of the cosmos : space and time. Your task in this chapter is to grasp the meaning of unfamiliar sizes, distances, and times. The solution lies in a single word: scale. You will compare objects of different sizes in order to comprehend the scale of the universe. 1. 1 from solar system to galaxy to universe. Cern: the home of the large hadron collider . Field of view: the area visible in an image. Usually given as the diameter of the region. Every time you move 10 times away, your field of view encompasses an area 10 x 10 larger than the previous square. Scientific notation: the system of recording very large or very small numbers by using powers of 10. The blurriness side of earth is the sunset line. Astronomical unit (au): average distance from earth to the sun; 1. 5 x 108 kilometres or 1. 5 x 1011 m.
