Solar vs. Sidereal Day. An Earth Day Sidereal Day: 23 hr 56 min 4 sec Motion relative to background stars Mean Solar Day: 24 hours The average time between.
Today’s Astro 3 class: l Cookies are available for the starving: çOatmeal raisin walnut çChocolate chip ç(one at a time, please) l Cell phones off now,
Constellations. Celestial Sphere Our Point of View.
Star Clusters and The Milky Way Physics 360/Geol 360 Spiral Galaxy NGC5236 much like ours A typical globular cluster.
A) the Earth orbits the Sun. b) the Moon orbits the Earth. c) stars are in constant motion. d) the Sun orbits the Earth. e) the Earth spins on its axis.
Coronal expansion and solar wind The large solar corona Coronal and interplanetary temperatures Coronal expansion and solar wind The heliosphere Origin.
Astronomy 104 Lunar Phases AndEclipses January 24, 2007.
UNIT 4 SPACE EXPLORATION. Chapter 10 – The Universe Text page 350 ASTRONOMY – branch of physics which studies celestial bodies and the universe Any natural.
Motions of the Sky 1. Seasons 2. Tides 3. Moon Orbit/Tidal Locking 5. Moon Phases 6. Lunar Eclipses 7. Solar Eclipses 8. Planet Retrograde Motion.
Dry Forest Characteristics Extend periods of little precipitation (>140 days) < 2.5” precipitation per dry period. Total precipitation less important.
Astronomy 1010 Planetary Astronomy Fall_2014 Day-9.
Prehistoric and Classic Astronomy. Warm Up Questions CPS Questions (1-2) Chapter 1, Lesson 1.