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Modern Astronomy

Total questions: 10

Worksheet time: 6mins

Name
Class
Date
1.

What is the name of the Ancient Greek who theorized the two-domain system - celestial and terrestrial?

a)

Aristotle

b)

Plato

c)

Erathosthenes

d)

Pythagoras

2.

Which of the following observations of the Greeks led them to believe that the Earth is spherical? Observing the...

a)

Lunar Eclipse

b)

sun

c)

nova stella

d)

comet

3.

Which observation of Tycho Brahe led to his assumption that NOT all celestial objects are spherical?

a)

Observing a comet

b)

Observing a nova stella

c)

Observing a lunar eclipse

d)

Observing the stars

4.

Which observation of Tycho Brahe disproved the belief of the Ancient Greeks that celestial beings are perfect because it does NOT change?

a)

Observing a comet

b)

Observing a nova stella

c)

Observing a lunar eclipse

d)

Observing the sun

5.

Who inherited the vast array of data of Tycho Brahe?

a)

His family

b)

Johannes Kepler

c)

Pythagoras

d)

Aristotle

6.

Which Kepler's Law of Planetary Motion explains that Earth revolves faster when closer to the sun and slower when it is away from the sun?

a)

Law of Period

b)

Law of Equal Areas

c)

Law of Ellipse

d)

Law of Harmonics

7.

Which Kepler's Law of Planetary Motion explains that the time it took for a planet to orbit the sun squared is proportional to its distance from the sun cubed and is the same for all planets?

a)

Law of Period

b)

Law of Equal Areas

c)

Law of Ellipse

d)

Law of Gravity

8.

According to the Ptolemaic Model, all of these are true EXCEPT...

a)

The Earth is the center of the universe.

b)

The stars are perfect.

c)

Celestial objects are perfect.

d)

Stars can die.

9.

What is the instrument used by Brahe to study and observed the heavens?

a)

Tychonian Quadrant

b)

Telescope

c)

Mirrors

d)

His naked eye

10.

What is the primitive concept of gravitational force?

a)

anima motrix

b)

nova stella

c)

ether

d)

the universe