Planets
Days and Years
Just a Phase
Moons
Seasons and the Sun
100

The most likely planet on which to find life.

What is Earth?

100

Planet with the longest orbital period.

What is Neptune?

100

This phase occurs when the Moon is positioned between Earth and the Sun, making it nearly invisible from Earth.

What is a new moon?

100

This moon of Jupiter is the most volcanically active body in the solar system.

What is Io?

100

On December 21st, the sun will be directly above this notable line of latitude.

What is the Tropic of Capricorn?

200

The planet with more than twice the mass of all the other planets.

What is Jupiter?

200

Each season on this planet would last about 3 Earth years, although the seasons would not be very extreme with an axial tilt of just 3o.

What is Jupiter?

200

Phase of the moon during a lunar eclipse.

What is a full moon?

200

Neptune's largest moon.

What is Triton?

200

The type of tide that occurs during a first quarter moon.

What is a neap tide?

300

The planet with a retrograde rotation, meaning it rotates the opposite direction compared to the other planets.

What is Venus?

300

Planet with a period of rotation most similar to Earth's 24 hour rotation.

What is Mars? 

300

This phase occurs when more than half of the Moon is illuminated but it is not yet full.

What is a waxing gibbous?

300

Has the most confirmed moons of any planet, with over 270.

What is Saturn?

300

Out of the arctic circle, the equator, the Tropic of Cancer, and the Tropic of Capricorn, a person at this location would experience the greatest number of daylight hours on June 21st. 

What is the arctic circle?

400

The windiest planet in the solar system.

What is Neptune?

400

This planet rotates just once every 243 Earth days, but it only takes 225 days to complete a full orbit around the sun.

What is Venus?

400

In this phase, exactly half of the Moon’s visible surface is illuminated, increasing each night.

What is the first quarter?

400

This small moon of Saturn shoots geysers of water ice into space.

What is Enceladus?

400

The month in which the Earth is the greatest distance from the sun.

What is July?

500

The planet with the most extreme difference between summer and winter climate.

What is Uranus?

500

Given that Jupiter orbits the sun in 4333 Earth days, and one rotation on Jupiter lasts just 9.9 hours, how many sunrises would a person on Jupiter experience in one trip around the sun (to the nearest hundred)?

What is 10,500?

500

PICTURE CLUE: This is an image of the moon taken from the Southern Hemisphere.  What phase is pictured?

What is a waning crescent?

500

The combined number of confirmed moons for the terrestrial planets.

What is three?

500

Out of the sun's core, a lightning bolt, the photosphere, and the radiative zone, this is the second warmest.

What is the radiative zone?

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