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Search Results for Aphelion and Perihelion
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Definition
Aphelion: The point of greatest separation between a planet or other body and the Sun.
Perihelion: The point of minimum orbital distance from the Sun and maximum orbital velocity around the Sun.

Stargazing Tip
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Radio Programs
Displaying 1 to 3 (of 3 total) results
 Title  Air Date
More Moon and Company January 4, 2008
Earth at Perihelion January 1, 2008
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
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Frequently Asked Questions
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Other Resources
StarDate Online | Solar System Guide
http://stardate.org/resources/ssguide/index.html
StarDate Online | Solar System Guide
http://stardate.org/resources/ssguide/
StarDate Online | Solar System Guide | Planet Formation
http://stardate.org/resources/ssguide/planet_form.html
StarDate Online | Solar System Guide | Life
http://stardate.org/resources/ssguide/life.html

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