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ERIC Number: EJ787989
Record Type: Journal
Publication Date: 2008-Mar
Pages: 3
Abstractor: Author
Reference Count: 0
ISBN: N/A
ISSN: ISSN-0887-2376
Tracking Planets around the Sun
Riddle, Bob
Science Scope, v31 n7 p84-86 Mar 2008
In earlier columns, the celestial coordinate system of hour circles of right ascension and degrees of declination was introduced along with the use of an equatorial star chart (see SFA Star Charts in Resources). This system shows the planets' motion relative to the ecliptic, the apparent path the Sun follows during the year. An alternate system, using heliocentric longitude, places the viewer in an above-the-solar-system viewpoint, tracking the planets in their near-circular orbits around the Sun. (Contains 3 figures and 9 resources.)
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Publication Type: Journal Articles; Reports - Descriptive
Education Level: N/A
Audience: N/A
Language: English
Sponsor: N/A
Authoring Institution: N/A