Chapter 8: The First New Planet Flashcards
Carl Sagan, Pale Blue Dot, 98-99b
The Origin of Mercury’s name?
Mercury
•Roman God of Messenger of
the gods
•faint, fast-moving, never far from the sun
Carl Sagan, Pale Blue Dot, 98-99
Origin of Jupiter’s name?
Jupiter
•Roman name for “King of Kings”
•Bright and Slow-Moving
Carl Sagan, Pale Blue Dot, 98-99c
The Origin of Venus’s Name?
Venus
•Roman goddess of Love and
Beauty
•most brilliant of them
Carl Sagan, Pale Blue Dot, 98-99d
Origin of Mar’s name?
Mars
•Roman god of war
•the blood red one
Carl Sagan, Pale Blue Dot, 98-99e
Origin of Saturn’s name?
Saturn
•Roman god of time
•the most sluggish of the bunch
Carl Sagan, Pale Blue Dot, 99
Why is there 7 days in a week?
The designing of the week, with no intrinsic astronomical significance
was assigned 7 days, named after one of the seven bright lights seen in the night Sky
Carl Sagan, Pale Blue Dot, 99b
Where did the name of days of the week come from?
Sunday: Sun Monday: Moon Tuesday: Mars Wednesday:Wodin's day (Mercury) Thursday: Thor's Day (Jupiter) Friday: Freya's Day (Venus) Saturday: Saturn
Carl Sagan, Pale Blue Dot, 99c
Whose culture’s gods were the days of week named after?
Tuesday through Friday are named after Saxon gods and kindred Teutonic invaders of Celtic/Roman Britain
Carl Sagan, Pale Blue Dot, 100
Why are the days ordered the way they are? Relative distance from the sun? Relative brightness?
Not ordered according to brightness
Nor ordered according to distance from the sun
Carl Sagan, Pale Blue Dot, 100
The number 7 began to acquire supernatural connotations, what are some?
Seventh Heavens Seven Days of Creation Seven Virtues Seven Deadly Sins Seven vowels in Greek alphabet Seven is a Lucky number Seven seals on a scroll are opened Seven bowls are filled
Carl Sagan, Pale Blue Dot, 103
Who located Uranus?
The planet Herschel found is called Uranus
an inexhaustible source of hilarity renewed in each generation of English-speaking nine-year olds
Carl Sagan, Pale Blue Dot, 103
The origin of Uranus’s name?
Uranus
• Greek Saturn’s father,
Grandfather of the Olympian
gods
• first planet unknown to the Ancients
Carl Sagan, Pale Blue Dot, 104
What is the atmospheric makeup of Uranus, and what is the strength of the internal heat relative to the other 3 Gas Giants?
Atmospheric Makeup
•Hydrogen &Helium
(2 simplest gases)
- Below visible clouds, enormous quantities of ammonia, hydrogen sulfide, and water
- lacks potent source of internal heat unlike Jupiter, Saturn, Neptune