For the test Friday be sure to review:
- your packet on Topographic Maps.
- diagrams of solar and lunar eclipses
- how to calculate speed
- scientific notation
- factor-label conversions
- metric relationships
- Newton's Laws of Motion
- difference between mass and weight
- rotation- spinning on axis, causes night and day
- revolution- orbit around the Sun
- cause of the seasons- tilt of the Earth on its axis
Famous astronomers:
- Ptolemy- proposed the geocentric model of the universe
- Copernicus- given credit for the heliocentric model of the solar system
- Galileo- inventor of telescope
- Kepler- discover elliptical shape of planetary orbits.
- Newton- discovered forces that keep planets in orbits
Moon Info
- period of rotation and revolution are the same- 27 1/3 days
- moon has no atmosphere therefore, no weathering, craters are present
- age of moon is the same age as the Earth
- waxing- new to full moon
- waning- full to new moon
- takes the moon about 4 weeks to go through a full cycle
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