Seasonal Fun
A planet's seasons are directed by this.
What is the tilt of its axis?
The third planet from the sun
What is Earth?
Ptolomy described how the earth was the center of the universe, known as this model.
What is geocentric?
The largest unit used for measuring distance beyond the solar system.
What is a light year?
Stars are made up primarily of these two gases.
What are hydrogen and helium?
When the earth's axis is tilted toward the sun, the Northern Hemsiphere experiences this season.
What is summer?
Second planet from the sun that has no seasons due to very small axial tilt.
What is Venus?
The heliocentric model described by Copernicus showed that this was the center of the solar system.
What is the sun?
This unit measures the distance between the earth and the sun.
What is an AU (or astronomical unit)?
This star is currently Polaris, but due to Earth's precession, will likely change.
What is the North Star?
When the eart's axis is tilted away from the sun, the Northern Hemisphere experiences this season.
What is winter?
This planet is known for its great red spot.
What is Jupiter?
The orbits of the planets are described as this shape.
What are elliptical?
1 AU is equal to this distance in miles.
What is 93,000,000 miles?
These images or patterns in the night sky include Ursa Major, Orion, and Gemini.
What are constellations?
When the earth's axis is tilted neither toward nor away from the sun, there are equal amounts of darkness and light known as this.
What is an equinox?
This planet's large axial tilt affects its seasons in extreme ways.
What is Uranus?
The area between Mars and Jupiter contains many of these rocky objects.
What are asteroids?
The Earth takes this long to revolve around the sun.
What is one year (or 365 1/4 days)?
The beginning of a star as a cloud of dust and gases is known as this.
What is a nebula?
When the earth's axis is tilted either toward or away from the sun, we experience one of these at the beginning of summer and winter.
What is a solstice?
This fourth planet from the sun has an axial tilt of 25.2 degrees.
What is Mars?
Comets are visible only as they approach this object in the solar system.
What is the sun?
The moon revolves around the Earth in approximately this amount of time?
What is a month (28 days)?
Our local star, the Sun, is responsible for the light reflected off of this object in the night sky.
What is the moon?