Question 1

Which scientist is known for proposing the heliocentric model of the universe, where the Sun is at the center?

Accepted Answer

Nicolaus Copernicus

Answer

Aristotle

Answer

Isaac Newton

Answer

Galileo Galilei

Question 2

What tool do astronomers primarily use to observe distant objects in the universe?

Accepted Answer

Telescope

Answer

Binoculars

Answer

Microscope

Answer

Periscope

Question 3

Which ancient Greek philosopher proposed the geocentric model, where the Earth is at the center of the universe?

Accepted Answer

Ptolemy

Answer

Plato

Answer

Aristotle

Answer

Socrates

Question 4

What theory explains the origin of the universe as a rapid expansion from a hot, dense state?

Accepted Answer

Big Bang Theory

Answer

Steady State Theory

Answer

Nebular Hypothesis

Answer

Geocentric Theory

Question 5

Which scientist's observations with a telescope supported the heliocentric model of the universe?

Accepted Answer

Galileo Galilei

Answer

Johannes Kepler

Answer

Charles Darwin

Answer

Albert Einstein

Question 6

Which theory suggests that the universe has no beginning or end and is always expanding?

Accepted Answer

Steady State Theory

Answer

Nebular Hypothesis

Answer

Cyclic Model

Answer

Big Bang Theory

Question 7

What is a galaxy primarily composed of?

Accepted Answer

Stars, dust, and gas

Answer

Moons, comets, and asteroids

Answer

Rocks, metals, and minerals

Answer

Water, ice, and organisms

Question 8

True or False: Most people believed Copernicus' idea of the heliocentric model immediately.

Accepted Answer

True

Answer

False

Question 9

Which type of galaxy is our solar system found in?

Accepted Answer

spiral

Answer

oblong

Answer

irregular

Answer

elliptical

Question 10

What does the root word "helio" mean?

Accepted Answer

sun

Answer

moon

Answer

space

Answer

earth

Question 11

Which object orbits Earth in both historical models?

Accepted Answer

moon

Answer

Mars

Answer

sun

Answer

Kuiper belt

Question 12

Several planets orbiting a star is known to be a(an) _____.

Accepted Answer

solar system

Answer

universe

Answer

constellation

Answer

galaxy

Question 13

How old is the universe based off the Big Bang Theory?

Accepted Answer

28 billion years old

Answer

15 million years old

Answer

14 billion years old

Answer

150 million years old

Question 14

True or False: The universe is smaller than a galaxy.

Accepted Answer

False

Answer

True

Question 15

What model is our current solar system?

Accepted Answer

Heliocentric Model

Answer

Galilean Model

Answer

Macrocentric Model

Answer

Geocentric Model

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