Front

What season is experienced in the Southern Hemisphere on December 21st?

Back

Summer.

Front

Which object's gravity has the least effect on Earth?

Back

An object that is very small and very far away.

Front

What unit of measurement is used when measuring distances across the Universe?

Back

Light Years.

Front

What is the name of the moon phase that occurs when half of the moon is illuminated?

Back

First Quarter.

Front

Which object's gravity has the greatest effect on Earth?

Back

An object that is very big and very close to us.

Front

What is the significance of the tilt of the Earth's axis in relation to seasons?

Back

The tilt of the Earth's axis causes different parts of the Earth to receive varying amounts of sunlight throughout the year, leading to the changing seasons.

Front

What is the difference between a solar and lunar eclipse?

Back

A solar eclipse occurs when the Moon passes between the Earth and the Sun, blocking the Sun's light. A lunar eclipse occurs when the Earth passes between the Sun and the Moon, casting a shadow on the Moon.

Front

What is the role of gravity in the formation of celestial bodies?

Back

Gravity pulls together gas and dust in space to form stars, planets, and other celestial bodies.

Front

How does distance affect gravitational attraction between two objects?

Back

The gravitational attraction between two objects decreases as the distance between them increases.

Front

What is the definition of a light year?

Back

A light year is the distance that light travels in one year, approximately 5.88 trillion miles (9.46 trillion kilometers).