Stars
Did Hipparchus's discoveries help influence astronomy today?
Yes
Many ancient Greek astronomers such as ____ believed that, "Earth must lie motionless at the center of the universe."
Aristotle, Ptolemy, Hipparchus
A Greek astronomer found it that Earth's ___________ was equal 72,000 km.
Circumference
Aristotle's book from ___BCE claims many things about the earth's circumference.
350 BCE
Did people in ancient Greece believe that stars existed
True *If you picked false-what were you thinking*
Hipparchus figured out the distances from the Earth to the moon and___.
Sun
Who came up with the theory that the Earth moves around the sun?
Aristarchuses
An ancient Greek suggests that Earth's shadow as seen on the _____ during a lunar eclipse is 75 degrees circular
Moon
It was Aristotle's theory that claimed that earth's circumference was the value of ______ stars.
400,000
People in ancient Greece studied astronomy
True *what were you thinking if you choose False*
How many stars did an ancient Greek astronomer study and name?
850
Which astronomer named and discovered many stars?
Hipparchus
Name 2 ancient Greek astronomers.
Aristotle, Hipparchus, Democritus, and Aristarchuses
Greek astronomers knew when a planet could be seen or "appear in the _____"
Heavens
Greeks used geometry to solve cosmic problems
True
The word _____ comes from the Greek word for star
Astronomy
Who found out that earth's circumference was 44,000 miles?
Aristotle
An ancient Greek astronomer found out ________ circumference.
Earth
An ancient Greek astronomer's book suggests that earth's shadow as seen on the moon during a _____________ _______ is 75 degrees circular.
Lunar Eclipse
The 3 planetary motions are the cosmic brownie motion, the heavenly stardust motion, and the circular moon motion.
False *if you choose true what were you thinking*
Hipparchus made extensive contributions to stars and _______.
Astronomy
Who's theory upset many people?
Aristarchuses
The Ancient Greeks believed that the Earth was the center of the _______
Universe
Are ancient Greek astronomers' theories sometimes still used today?
Yes
Did the Greek astronomers Democitus and Epeurus in the 4th century BCE discover the theory of atoms moving in empty space?
True