Structure of the Solar System
More about Planets
Moons
Gases
Astronomers
Weird Stuff
200

The number of stars in our solar system

What is one?

200

The force that causes planets to orbit the Sun

What is gravity?

200

These two planets have the most moons

What are Jupiter and Saturn?

200

Most ubundant gas in the make up of the outer planets

What is Hydrogen?

200

Astronomer who first discovered 4 of Jupiters moons

Who is Galileo Galilei?

200

Cartoon character whose dog was created the same year that a planet was discovered

Who is Mickey Mouse?

400

The four outer planets are also know as the ______

What is the Gas Giants?

400

The "planet" with a heart of ice

What is Pluto?

400

These two planets have no moons

What are Venus and Mercury?

400

This planet has no gas or atmosphere on its surface

What is Mercury?

400

Discovered planets orbit in ellipses and not circles

Who is Johannes Kepler?

400

Rains diamonds on this planet

What is Saturn?

600

Unit of measurement equal to the distance between the Sun and Earth

What is an Astronomical Unit?

600

The brightest object in the sky apart from the sun and moon

What is Venus?

600

This is the largest moon in the solar system

What is Titan?

600

Mars' atmosphere is 95% of this gas

What is Carbon Dioxide?

600

First to present the idea that the planets orbit the sun (heliocentric) and not the Earth

Who is Nicholas Copernicus?

600

Mars and Earth have this geological feature in common

What are polar ice caps?

800

Area beyond Neptune to around 50 AU's

What is the Kuiper Belt?

800

Named after the god of the sea

What is Neptune?

800

Ganymede is one moon of this planet

What is Jupiter?

800

This gas gives Uranus a "rotten egg" smell

What is Methane?

800

First to question Pluto's classification (and host of Cosmos)

Who is Neil deGrasse Tyson?

800

We cant view Venus' surface because of this

What are clouds?

1000

The outermost of our solar system stretching to 200,000 AU's

What is the Oort Cloud

1000

Galileo called this planet " a planet with ears"

What is Saturn?

1000

This is the official scientific name of Earth's moon?

What is Moon?

1000

Makes up over 70% of Earths atmosphere

What is Nitrogen?

1000

Discovered Uranus

Who is William Herschel?

1000

Most meteors do this in Earth's atmosphere before they reach the surface

What is burn up?

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