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Earth and Sun
Relationship between the sun and earth
Term | Definition |
---|---|
Greenhouse Effect | Energy from the sun passes through the atmosphere,some energy is reflected out to space.Earths surface is heated by the sun and radiant heat back out towards space.Greenhouse gases in atmosphere trap some heat. |
Solstices | Twice a year the tilt of earth is towards or away from the sun. -winter=Dec.21 -Summer=June 21 |
Equinox | Sunlight strikes earth most directly at equator. -Spring=March 21 -Fall=Sep.23 |