NATS 1740 Lecture Notes - Lecture 1: Solar Time

• School: York University
• Department: Natural Science
• Course: NATS 1740
• Professor: Randy Hoffman

Document Summary

Lecture #1 www. yorku. ca/cjryan/nats1740w10. html cjryan@yorku. ca buy equatorial chart at book store exams each 25%(2) lab 25% each 5% term 20% Deadlines: lab#1- jan 19 lab#2- jan 28 computer lab- feb 9 midterm- feb 23 lab#3-march 4 term project abstract-march 16 lab#4- march 18 term project-march 30 video quizzes tba. A planet is an object that: orbits are star, is large enough for its own gravity to make it round, has cleared most other objects from its orbit. Planets do not emit light, but are visible by reflecting star light. Other orbits we see them shining because of the sun"s reflection on them. A star is a large, glowing ball of gas that generates energy through nuclear fusion. Europa has a cracks and ice all over. The moon of saturn titan (visible light) vs (infrared light). Our planet looks like titan million of years ago. 1995- 1st planet outside our solar system was discovered.