1.1 Celestial Sphere
What is the definition of Heliocentric?
Having or representing the sun as the center of the solar system
What is the celestial sphere?
An imaginary sphere surrounding the Earth upon which the stars, Sun, Moon, and planets appear to reside.
What is the name of the ancient system which the positions of these bodies among the stars of the zodiac are thought to hold the key to understanding what we can expect from life.
Astrology
Solve for x
3x+2=20
X=6
What is the formula for speed?
Speed= Distance/Time
What is the definition of Geocentric?
Having or representing the earth as the center of the solar system
The celestial sphere is represented by which model?
Geocentric
What is the name of the chart showing the positions of the planets in the sky at the moment of an individual’s birth.
Horoscope
6x+16 = 46
x=5
What is the unit for distance when measuring celestial bodies?
Degrees
Which astronomer created the heliocentric model?
Nicolaus Copernicus
Helio: comes from the _________ word “helios” which means “sun”
Greek
Horoscope comes from the greek words
“Hora” which means “time”
“Skopos” which means "_________" or "___________"
watcher or marker
Solve for x
2(x+5)=16
x=3
The unit for Speed is
meters per second
what is it when finding the speed of celestial objects?
degrees per hour
In the 2nd century which astronomer refined the geocentric model further?
Claudius Ptolemaeus
What is the name of the imaginary line that marks the sun's annual path across the sky, as seen from Earth.
Ecliptic
The 13th constellation Ophiucus is also known as the ________.
Serpent Bearer
Solve for x
6 = (x/4) + 2
x=16
You observe the star Rigel, located in the constellation Orion, from your location in the
Northern Hemisphere. After noting the time when Rigel is at its highest point in the sky
(transit), you observe that Rigel has traveled an angular distance of 90° in 5 hours. How many
hours will it take for Rigel to return to its original location?
20 hours
What is the name of the 1st person who created the geocentric model?
Eudoxus
What is the name of the 13th constellation that lies on the ecliptic?
Ophiuchus
Where did astrology begin?
Babylonia
Solve for x
(x+9)/3 = 8
x=15
From your observing location in the Southern Hemisphere, you observe the star Canopus in
the constellation Carina. After noting the time when Canopus is at its highest point in the sky
(transit), you observe that it has traveled an angular distance of 300° in 20 hours. How many
hours will it take for Canopus to reach halfway to its original position?
12 hours