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 3

Chapter 21

Venus!

The second planet from the sun. considered terrestrial because of the rocky appearance. Named after the Goddess Venus. Has been known for thousands of years.  Brightest in the sky except the moon. Brightest before the sun rises or sets. Sister planet to Earth. Similar in size and gravity. Atmosphere is mostly Carbon dioxide and sulfuric acid. It is hard to see the surface because of thick clouds. No life and no moons. Pressure is 92 times that of Earth.

Earth!

Third planet from the sun. 1 of 4 terrestrial planets. Also called the Blue Planet, 'Planet Earth', and 'Terra'. Only place in the solar system life has been confirmed. Formed 4.5 billion years ago. 71% of Earth is covered in salt water. Earth is only place in the universe where water is found. Only one moon. Orbits the sun in 365 days. 


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