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Why is the intersection of the Earth’s equatorial plane and the ecliptic important in astronomy?
- November
- 16
12:36 pm Science
ybkid asked:
Why is the intersection of the Earth’s equatorial plane and the ecliptic important in astronomy?
Why is the intersection of the Earth’s equatorial plane and the ecliptic important in astronomy?
2 comments
When the sun reaches those points, we get an equinox. It’s how astronomers define the Earth’s seasons.
Posted by Mark, on November 22nd, 2008, at 3:26 am. #.
The ecliptic is the path in space that we see traced out as the earth rotates around the sun. The angle between this plane and the equatorial plane is what gives us the seasons.
Posted by Strangerbarry, on November 19th, 2008, at 6:51 am. #.