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	Search Results for Tides Search Type: Keywords | Results: Radio Programs | Images | FAQs | Other Resources | Search Again Definition Tidal force: A stretching force that is caused by the difference between gravitational forces on opposite sides of an object, such as a planet or moon. For example, because the Moon pulls on opposite sides of the Earth with different strengths, water on the Earth is pulled either toward or away from the Moon, resulting in the ocean tides. More » Stargazing Tip No stargazing tips found. Check the Sky Almanac for more information. Radio Programs Displaying 1 to 5 (of 5 total) results  Title  Air Date Moon and Venus November 4, 2005 Coral Chronicles June 25, 2004 D-Day June 6, 2004 Moon and Saturn February 1, 2004 Earth at Perihelion January 4, 2004 Note: Audio versions of our programs will be available the day after they air. Visit the transcript page to listen. Image Gallery Displaying 1 to 1 (of 1 total) results  Image Tides Frequently Asked Questions Displaying 1 to 2 (of 2 total) results  Question What causes tides? Why do we always see the same side of the Moon from Earth? Other Resources StarDate Online | Solar System Guide | Earth and Moon http://stardate.org/resources/ssguide/earth_and_moon.html
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