Astronomy 2232F/G Lecture Notes - Lecture 4: Outer Core, Impactite, Olivine

• School: Western University
• Department: Astronomy
• Course: Astronomy 2232F/G
• Professor: Gordon Osinski

Document Summary

Same side always faces the earth (tidally locked) Moon is rotating on its axis- takes same time to rotate about its axis and the earth. About the position of the moon with respect to the sun. Sun is the light source that illuminates the moon. When the moon is on the opposite side of the earth to the sun, is when we have a full moon. New moon occurs when the moon is between the earth and sun. The moon"s gravity is exerting some influence on us and pulls the ocean on the near side towards the moon = high high tide . On opposite side you get a corresponding low high tide . Over 100 spacecraft"s have been launched to explore the moon. 3 robotic sample returns returned samples from surface of moon. Us ranger, lunar orbiter, and surveyor missions (1961- 68) Paved way for human exploration of moon. China - 3rd nation to successfully land spacecraft on moon.