Earth Orbit Nodes
For the orbit of the Earth around the Sun is important the line of nodes formed by the ecliptic and the equator. There are two special days in which this line points to the sun. For these days, night and day take the same time. These two points in the sun orbit are named equinoxes.
Read more about this topic: Orbital Node
Famous quotes containing the words earth, orbit and/or nodes:
“The visible heavens and earth sympathize with Jesus.”
—Ralph Waldo Emerson (1803–1882)
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—George Eliot [Mary Ann (or Marian)