Revolutionary Astronomers
Big Bang
Galaxies
Planets
Moon
100

Which Astronomer most influentially suggested a heliocentric model?

A) Plato

B)Tycho Brahe

C)Nicolaus Copernicus

C) Nicolaus Copernicus

100

About how old is the universe?

A) 4.5 billion years

B) 14 billion years

C) 22 billion years

B) 14 billion years

100

What is our galaxy called?

A) Andromeda

B) Triangulum

C) Milky Way

C) Milky Way

100

Which planet is closest to the sun?

Mercury

100

In what phase does the Moon appear Dark?

New Moon

200

Where is Earth in the GEOcentric model?

A) At the center of the solar system

B) Orbiting in the outskirts of the solar system

C) Not in the solar system

A) At the center of the Solar System

200

Before the Big Bang, what existed?

A) Nothing

B) Time

C) Space

A) Nothing

200

What is at the center of our galaxy?

A) A binary star system

B) A supermassive blackhole

C) A pulsar

B) A supermassive blackhole

200

Do space probes return to Earth? Yes or no?

No

200

In what phase does the Moon appear fully illuminated?

Full Moon

300

Where is Earth in the HELIOcentric model?

A) Orbiting around the middle of the solar system?

B) At the center of the solar system

C) Not in a solar system

A) Orbiting around the middle of the solar system

300

As the universe expanded it...

A) heated up

B) cooled down

C) stayed the same temperature

B) cooled down

300

What shape is our galaxy?

A) Spiral

B) Elliptical

C) Irregular

A) Spiral

300

Name a characteristic of a Gas Giant?

Thick Atmospheres or Larger Planet

300

What does waxing mean?

Growing

400

Who published the theory of gravity?

A) Newton

B) Hubble

C) Tycho Brahe

A) Newton

400

Compared to present-day galaxies, early galaxies were...

A) closer together

B) farther apart

C) haven't moved

A) closer together

400

What is the correct order from SMALLEST to LARGEST?

A) Planet - Star System - Universe - Galaxy

B) Planet - Galaxy - Star System - Universe

C) Planet - Star System - Galaxy - Universe

C) Planet - Star System - Galaxy - Universe

400

Name one requirement to be a planet?

Be in orbit around a star

Have enough mass to be spherical

Dominate its orbit

400

What causes the moon to be illuminated?

It reflects the light from the Sun

500

What did Edwin Hubble do?

A) Discover Neptune

B) Propose the theory of gravity

C) Confirm that there are other galaxies

C) Confirm that there are other galaxies

500

From the options below, which of these events occurred first?

A) Stars formed

B) galaxies formed

C) protons and neutrons formed

C) protons and neutrons formed

500

What are star cluster?

A) Groups of stars that are attracted to each others gravity

B) Groups of stars that developed from the same nebula

C) Dense groups of stars found at the center of galaxies

B) Groups of stars that developed from the same nebula

500

Why isn't Pluto a planet anymore?

It doesn't dominate its orbit

500

What is a "Blue Moon"?

When there are TWO full moons in one month

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