CK12 Earth Science
Figure 24.28: A Neap Tide. ( 24 ) ...
out experience high tides, while the areas perpendicular to them experience low tides. Since the Earth is rotating on its axis, ...
Why are neap tides less extreme than spring tides? Further Reading / Supplemental Links DemonstrationofWhyEarthhasSeasonshttp ...
Image Sources (1) NASA.http://en.wikipedia.org/wiki/Image:Moon_PIA00302.jpg. Public Domain. (2) http://upload.wikimedia.org/wiki ...
(20) http://commons.wikimedia.org/wiki/Image:Gravitation.png. Public Domain. (21) NASA.http://nix.larc.nasa.gov/info;jsessionid= ...
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Chapter 25 The Solar System 25.1 Introduction to the Solar System Lesson Objectives Describe historical views of the solar syst ...
sphere which contained all the stars. The planets appear to move much faster than the stars and so the Greeks placed them closer ...
Figure 25.2: Diagram of an epicycle and deferent. According to Ptolemy, a planet moves on a small circle that in turn moves on a ...
The Heliocentric Universe Ptolemy’s geocentric model worked pretty well, but it was complicated and occasionally made errors in ...
besides Earth. He also discovered that Venus has phases like our moon does. The phases of Venus provided direct evidence that Ve ...
Table 25.1: Object Mass (Relative to Earth) Diameter of Planet (Rela- tive to Earth) Sun 333,000 Earth masses 109.2 Earth diamet ...
Figure 25.4: Relative sizes of the Sun, planets & dwarf planets. The largest objects in the solar system are the Sun, the ei ...
Figure 25.5: This figure shows the relative sizes of the orbits of planets in the solar system. The inner solar system is on the ...
Table 25.2: Distances to the Planets and Properties of Orbits Relative to Earth’s Orbit Planet Average Distance from Sun (AU) Le ...
Formation of the Solar System There are two key features of the solar system we haven’t mentioned yet. First, all the planets li ...
Meanwhile, the outer parts of the disk were cooling off. Small pieces of dust in the disk started clumping together. These clump ...
Further Reading / Supplemental Links http://www.youtube.com/watch?v=FHSWVLwbbNw&NR=1 http://sse.jpl.nasa.gov/planets/index. ...
The planets are often divided into two groups: the inner planets and the outer planets. Which planets do you think are in each ...
Figure 25.7: This composite shows the relative sizes of the four inner planets. From left to right, they are Mercury, Venus, Ear ...
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