Astronomy 1021 Lecture Notes - Local Group, Webct
Document Summary
The big picture: look at the big picture of the universe. What sort of timescales are appropriate: we won"t really explain how we know all that we"ll save that for the remaining lectures. Setting the stage for the rest of the course. Faq: q: do i have to know precise distance between moon and earth, sun and earth, planets, etc, a: no, you don"t have to memorize precise numbers. Journey away from the earth: start from earth, gradually work our way outward to larger objects and larger collections of objects , as we go along, we use various scare models to get a good sense of things. Print the rest of the notes from the webct site.