Space
It is everything. It includes all objects and energy ever created.
What is the Universe?
The biggest planet.
What is Jupiter?
To spin on an axis.
What is Rotate?
Exactly half the moon is lit, from our point of view. Preceeded by "first, or third (or last).
What is a Quarter?
When the sun is directly above the equator, resulting in equal daytime and nighttime, at the beginning of spring and autumn.
What is an Equinox?
A huge collection of dust, gas, and millions and billions of stars (and their planets).
What is a Galaxy?
The planet with the largest mountain in the solar system.
What is Mars?
To circle, or orbit, another point or object.
What is Revolve?
Less than half the moon is illuminated, showing a small sliver of the moon. Sounds like a breakfast pastry.
What is a Crescent?
When the earth is most pointed toward or away from the sun, resulting in the shortest and longest days of the year at the beginning of summer and winter.
What is a Solstice?
Massive, glowing balls of very hot gas.
What are Stars?
With temperatures over 800 degrees, this is the hottest planet.
What is Venus?
One complete rotation of Earth is known as this.
What is a Day
The "W" word for the phases from the full moon to the new moon.
What is Waning?
This characteristic of Earth's axis is responsible for causing the seasons.
What is Tilt?
Large objects that orbit stars.
What are Planets?
This planet is the 7th planet from the sun.
What is Uranus?
One complete revolution of Earth around the sun is known as this.
What is a Year?
Over half the moon is illuminated.
What is Gibbous?
The shortest day of the year.
What is the Winter Solstice?
What is a Comet?
This planet has the strongest winds in the solar system.
When the moon is directly between the earth and the sun, blocking out the sun's light and casting a shadow on Earth. (2 words)
What is a Solar Eclipse?
The "W" word for the phases from the new moon to the full moon.
What is Waxing?
A year on Earth is (exactly) this many days.
What is 365.25?