Earth Sciences 1086F/G Lecture Notes - Lecture 16: John Couch Adams, Berlin Observatory, Johann Gottfried Galle
24 Mar 2020
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Discovering neptune: galileo actually saw neptune in 1612 and 1613, and recognized that it had moved slightly, due to cloudy skies, he did not see it again on the right nights, and he plotted it as a star. In 1986, the voyager 2 flew past uranus and in 1989 it flew past neptune: new horizons crossed the orbits but was not close enough to get much more than pictures. Maybe 5, with 3 distinct: all planets originated in nearly the same plane, rotated the same direction, with more or less an upright stance, this means that something big pushed uranus over on its side. Neptune: the trends of neptune"s orbit and rotation are similar to all the other planets, has distinct seasons - strongest winds in the solar system. Little amounts of hydrogen and helium is due to lower escape velocities. It has the lowest heat signature of any jovian planet and there is no obvious reason.
