Unit III: The Earth in Space. Celestial Objects Any natural object “outside” the earths atmosphere (seen in the sky)
Aim: What are some celestial and terrestrial observations? A. Celestial Object Object – any object observed in the sky during the day or night (ex: stars,
Daily Insolation & The Sun’s Path. Duration of Insolation Measure of the number of daylight hours Varies with seasons and latitude The longer the period.
Unit III: The Earth in Space
Quiz #1 Review Thursday, 15 September 2011 I list here the main topics and the main points for each topic. Study also the indicated lecture notes.
History of Astronomy. 2 Early Ideas of the Heavens The Shape of the Earth Pythagoras taught as early as 500 B.C. that the Earth was round, based on.
Astro 201: Sept. 2, 2010 Do on-line practice quiz #2 (see d2l) Homework #2: posted on web page after class Today: – Ancient Greeks – Ptolemy V. Copernicus;
Constellations. The rotation of the earth causes the apparent daily motion of stars. The rotation of the earth causes the apparent daily motion of stars.
