My Notes, From A Ravenclaw (Year 1)

written by Anne Pickering

These are my notes for all classes through year 1. There are 7 course in the first year. Charms, History of Magic, Herbology, Potions, Transfiguration, DADA, and Astronomy. I will add as I am able. Please check back for new content.

Please keep in mind, these are only major points and not to be substituted for the actual lessons!

Last Updated

05/31/21

Chapters

56

Reads

30,805

Astr 101 Week 6

Chapter 42

Saturn

Sixth planet, behind Jupiter

Second largest planet after Jupiter

Gas Giant, can not support life

1/8th the density of Earth, but much larger

least dense planet, even water is more dense

fun fact is that Saturn has had about five space probes visit this
planet! Saturn is also the root word for one of the days of the week,
Saturday. 

rings were discovered in 1610 by same person that found the Galilean moons

7 rings, several moons can be found in the rings

Composed of Hydrogen and Helium, like Jupiter

It can rotate on its axis once in about ten to eleven hours. This is
almost half of a single Earth day! It also takes 29 Earth years for
Saturn to complete its orbit around the Sun once. 

53 known moons and possibly 9 more.

Saturn’s moons is Titan. This satellite is a bit bigger than Mercury in
size. It is the second largest moon in our solar system, after Ganymede
(one of Jupiter’s moons). Its size has been known to affect the orbits
of other moons! Titan has an atmosphere which is mostly made up of
nitrogen. Many Muggle scientists believe that Earth was once made up of
the same element in its atmosphere as well. It was discovered by
Christiaan Huygens in 1655, and was named after the Titans in
Greco-Roman myths. 

Another one of Saturn’s moons is Hyperion, named after the Titan of
observation. It is one of the larger bodies in space that is also
irregularly shaped. This moon has many craters that has been dented into
the surface. This gives it the appearance that somewhat resembles a
sponge. It has a strange orbit, which makes this moon much more of an
oddball.


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