Earth's Tilt & Seasons
The Moon
Stars & Constellations
Space Measurements
General Astronomy
100

What is the exact degree of Earth’s tilt?

23.5 degrees

100

True or False: The Moon is considered a natural satellite of the Earth.

True

100

What is a giant, exploding ball of burning gas in space called?

A Star

100

Approximately how long does it take for light from the Sun to reach the Earth?

About 8 minutes

100

What is the name of the star that is commonly used for navigation and is known as the North Star?

Polaris

200

What is the primary cause of Earth's seasons?

The 23.5-degree tilt of the Earth on its axis

200

Which moon phase occurs when the moon is positioned between the Earth and Sun and is not visible?

New Moon

200

What is the name for a group of stars that form a recognizable pattern or shape?

A Constellation

200

Approximately how many miles per second does light travel?

186,000 miles per second

200

In which direction does the Earth rotate?

East to West (Counter-clockwise)

300

What is the name of the imaginary line that separates the Northern and Southern hemispheres?

The Equator

300

How many primary phases (stages) does the moon go through?

8 phases

300

Which star is the closest star to the Earth?

The Sun

300

What term describes the distance that light travels in one full year?

A Light-year

300

What are the winds that move in most of the United States?

The Westerlies (Prevailing winds)

400

Why do we have a leap year every four years?

Because a year on Earth is actually 365.25 days

400

What are the large, dark, flat areas on the moon's surface called?

Lunar Maria (or Mare)

400

Which star, other than the Sun, is often cited as the brightest star in the night sky?

Sirius

400

How many days does it take for Earth to complete one full orbit around the sun?

365.25 days

400

Based on the student research provided, how many moons does Jupiter have?

95

500

What device provides evidence that the Earth is rotating on its axis?

A Foucault Pendulum

500

Tides on Earth are primarily caused by the gravitational pull of what?

The moon

500

Approximately how many constellations are there?

88

500

How many hours does it take for Earth to complete one full rotation on its axis?

24 hours

500

True or False: The Sun is the largest object in our solar system.

True