PHYS 1901 Lecture Notes - Lecture 18: Giant Planet, Rings Of Saturn, Hubble Space Telescope
15 Dec 2016
School
Department
Course
Professor
Document Summary
1 lecture 8: uranus and neptune: read chapter 13 in the textbook, exercises: do all review and discussion and all conceptual self-test ) Uranus: gas giants (jovian planet) like jupiter and saturn. Discovered by british william herschel in 1781, rst discovery of a planet in over. Apparent magnitude is at the edge of the naked eye"s ability to see, if you know exactly where it is discovered through optical telescope. Orbital semimajor axis: 19. 19 au, mass: 14. 54 earth masses (8. 68 1025 kg, radius: 4. 01 earth radius (25, 559 km), mean surface temperature 58 k. Voyager 2 probe ew by uranus in 1986 giving the rst close up pictures of the planet: physical properties: Nearly 20 au from the sun twice as far as saturn. Like other jovian planets, uranus has a short rotation period, 17. 2hours. Unlike any other planet, the axis tilt is 98 uranus is nearly on its side.
