AST101H1 Lecture Notes - Lecture 2: Dwarf, International Astronomical Union, Astronomical Unit
17 Sep 2016
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Observinng project due plan for ast due week 3 in tutorial 2% project plan due in 1. 5 weeks. You cannot copy photos online for the phasing project. Project is taking photos of the phases of the moon . The sun, planets, and all of their moons. Clicker practice) what does the term universe mean? the totality of all space, time, energy, and matter. The universe: space is bigger then you could ever imagine. -the sizes of the planets relative to the sun and relative to one another are correct! The distance between the centre of the sun and the earth is about 150 billion metres. Astronomy works with astronomical units to make everything simpler known as au = Distance between the sun and the earth is 1 au. The distance to the sun is 1 astronomical unit. = average disttance b/w the earth and the sun. A light year = a measure of distance like a cm, m, in, etccc.
