Astronomy 2022A/B Study Guide - Midterm Guide: Minute And Second Of Arc, Hopi, Isotropy

• School: Western University
• Department: Astronomy
• Course: Astronomy 2022A/B
• Professor: Chris Racknor

Document Summary

Hesiod- in the beginning there was only chaos, then erebus and night appeared who slept together, giving birth to the heavenly light. World was endless but the creator, taiowa, created sotuknang who was his agent to establish nine universes. Pangu hatched from an egg and all of the light parts flew up and became the sky and heavy parts became the earth. In the beginning there was shifting foam of strings and space, time and energy unified within the foam. The foam cooled and there was gravity, space time and then the universe. The human effort to understand better the history of the natural world, with observable physical evidence as the basis of that understanding. The scientific method: observations induction general principle deduction prediction experiments revision (this step makes science different from other approaches) Earth-pluto: 6 000 000 000 km. Earth-nearest stars: 10 000 000 000 000 km.