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:
“Married love is a stream that, after a certain length of time, sinks into the earth and flows underground. Something is there, but one does not know what. Only the vegetation shows that there is still water.”
—Gerald Branan (1894–1987)
““To my thinking” boomed the Professor, begging the question as usual, “the greatest triumph of the human mind was the calculation of Neptune from the observed vagaries of the orbit of Uranus.”
“And yours,” said the P.B.”
—Samuel Beckett (1906–1989)
“There are characters which are continually creating collisions and nodes for themselves in dramas which nobody is prepared to act with them. Their susceptibilities will clash against objects that remain innocently quiet.”
—George Eliot [Mary Ann (or Marian)