The Gravity of the Situation
Don't Take Me for Granite
Constellation Prize
Astro-nomical Job
A Breath Of Fresh Air
100

According to Kepler's First Law, planets orbit in this shape around the star.

Ellipse

100

These rocks are made from cooled lava or magma.

Igneous Rocks

100

The products of stellar energy generation of a main sequence star.

Helium and Energy

100

This is the planet that we live on.

Earth

100

The layer of the atmosphere we are standing in.

Troposphere

200

According to Kepler's Third Law, this planet will have the longest orbital period.

Neptune

200

These rocks are made from other rocks that have been broken down and cemented together.

Sedimentary Rocks
200

The reactant of stellar energy generation of a main sequence star.

Hydrogen

200

This planet is known for its large rings around the planet.

Saturn

200

The minor layer of the atmosphere that filters out harmful UV radiation.

Ozone Layer

300

According to Kepler's First Law, Stars are located at this location within a planets orbit.

Focus

300

This is the breaking down and movement of rocks.

Erosion

300

The process in which stars produce their energy.

Nuclear Fusion

300

This planet is known for the 400 year old hurricane that is occuring on the planet.

Jupiter

300

The outer most layer of the atmosphere.

Exosphere

400

This is the real celestial classification of Pluto.

Dwarf Planet

400

These rocks are made from other rocks that are subjected to immense heat and pressure.

Metamorphic Rocks

400

This is what a massive main sequence will become as the star starts to run out of fuel.

Super Red Giants

400

This planet is named after the Greek god of war.

Mars
400

The Auroras occur in this layer of the atmosphere. 

Ionosphere/Thermosphere

500

According to Kepler's Second Law, planets move in equal these in equal times.

Areas

500

When materials are reused over and over again through natural processes without loosing any material.

Closed Loop System

500

This will be the very final stage of our Suns life.

Black Dwarf

500

This planet is known as Earth's twin.

Venus

500

This layer of the atmosphere burns up meteorites before they hit Earth.

Mesosphere

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