NATS 1745 Final: Final Exam Review Comprehensive Review

• School: York University
• Department: Natural Science
• Course: NATS 1745
• Professor: Robin Metcalfe

Document Summary

Until 11 years after galileo, nothing new was discovered. An amateur who built the largest telescopes of his time. While cataloguing stars to aid the search for stellar parallax, he became the 1st person to discover a planet. With his telescope, he was able to see into the space deeper than anyone else. He was able to produce larger images of the celestial bodies with his big telescope. 1781: he observed a star-like object which increased in size when he increased his telescope magnification. The number of planets had stayed 5 for thousands of years. Further investigation revealed its near-circular orbit at ~20 au from the sun (orbital period = 84 years). It was accepted as a new planet and named uranus (greek god of the sky, father of saturn, grandfather of jupiter). He also dis(cid:272)o(cid:448)e(cid:396)ed u(cid:396)a(cid:374)us" (cid:1006) (cid:271)(cid:396)ightest (cid:373)oo(cid:374)s, tita(cid:374)ia a(cid:374)d o(cid:271)e(cid:396)o(cid:374) (cid:894)the(cid:396)e"s (cid:1006)(cid:1011) i(cid:374) (cid:396)ealit(cid:455)(cid:895). The (cid:373)oo(cid:374) o(cid:396)(cid:271)its (cid:396)e(cid:448)ealed u(cid:396)a(cid:374)us" (cid:373)ass: (cid:1005)(cid:1009)(cid:454) ea(cid:396)th"s (cid:373)ass.