Understanding Our Universe
Chapter S1 Celestial Timekeeping and Navigation. S1.1 Astronomical Time Periods How do we define the day, month, year, and planetary time periods? How.
1 Seasons Review Earth’s rotation axis is tilted 23.5 degrees; tilt remains the same as it orbits the sun Therefore, different parts of the Earth receive.
1. Calendar Database and Algorithms for Calculation and Conversion: Christian’s and Muslim’s Calendars in our Region Authors: Biljana Samardžija, Dušan.
The Moon and Moon Phases. Moon Orbits the Earth – but appears to rise in the east and set in the west due to earth’s faster rotation.
Moon Orbits the Earth – but appears to rise in the east and set in the west due to earth’s faster rotation.
The following slides are sample “clicker” questions for the new edition of Foundations of Astronomy. Thomson’s exclusive JoinIn on TurningPoint software.
Astronomy 1010 Planetary Astronomy Fall_2014 Day-9.
Slide 1 The Motion of the Planets The planets are orbiting the sun almost exactly in the plane of the Ecliptic. Jupiter Mars Earth Venus Mercury Saturn.
Chapter S1 Celestial Timekeeping and Navigation
Constellations Patterns in the Sky The Constellation Orion.
Annular Eclipse of the Sun. Phases of the Moon The appearance or shape of the Moon gradually changes through the course of a month. This cycle - the cycle.