AST101H1 Lecture Notes - Lecture 2: Dwarf Planet, Observable Universe, International Astronomical Union

• School: UTSG
• Department: Astronomy & Astrophysics
• Course: AST101H1
• Professor: Bryan Gaensler

Document Summary

Ast 101 lecture 2 clicker demo. Titan is a rocky/icy object with an atmosphere and liquid on its surface. It is spherixal in shape, has a clear orbit, and orbits saturn. Ceres orbits the sun in the asteroid belt between mars and jupiter. The sun, the planets and all of their moons. The totality of all space, time, energy, and matter. The observable universe and a person (see fig. The sizes of the planets relative to one another | the sizes of the planets relative to the sun. (see fig. Note: for example, the distance of sun to the nearest star is measured using light years, which is the distance of light that travels in a year. It is like using time to express distance (cid:862)2 hours to go to niagara falls. (cid:863) The light we see from the sun right now left the sun 8. 3 minutes ago.