Astronomy Review

Front

What causes day and night on Earth?

Back

The rotation of Earth on its axis.

Front

What is the Milky Way galaxy?

Back

A galaxy that contains our solar system, including the Sun and billions of other stars.

Front

What is the primary source of energy for stars?

Back

Nuclear fusion.

Front

Which element is most likely common in stars besides hydrogen?

Back

Helium.

Front

What natural phenomenon occurs due to Earth's rotation?

Back

Day and night.

Front

What is the position of Earth in its orbit when it experiences summer in the Northern Hemisphere?

Back

Position 1 (tilted towards the Sun).

Front

What is the role of the Sun in the Milky Way galaxy?

Back

The Sun is one of the many stars in the Milky Way galaxy.

Front

What is the significance of nuclear fusion in stars?

Back

It is the process that powers stars, converting hydrogen into helium and releasing energy.

Front

How does Earth's tilt affect seasonal changes?

Back

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

Front

What are the main components of the Milky Way galaxy?

Back

Stars, planets, gas, dust, and dark matter.