Astronomy Flashcard

Front

What is the primary difference between rotation and revolution?

Back

Rotation is the spinning motion of an object on its axis, while revolution is the orbital motion of an object around another object.

Front

What is the primary reason for the changing seasons on Earth? Options: The distance from the Sun, The tilt of Earth's rotational axis, The speed of Earth's rotation, The gravitational pull of the Moon

Back

The tilt of Earth's rotational axis

Front

How long does it take for Earth to complete one full revolution around the Sun?

Back

365 days

Front

Which of the following statements about Earth's rotation is true? Options: It takes 24 hours for one complete rotation., It causes the seasons., It is responsible for the phases of the Moon., It occurs around the Sun.

Back

It takes 24 hours for one complete rotation.

Front

What is the average distance from the Earth to the Sun known as?

Back

An astronomical unit

Front

What is the tilt of the earth on its axis?

Back

23.5 degrees

Front

How long is the synodic month?

Back

29.5 days

Front

Which phase of the Moon occurs when it is completely illuminated?

Back

Full Moon

Front

What is the significance of the synodic month?

Back

It represents the complete lunar cycle.

Front

Why does the same side of the Moon always face Earth?

Back

The Moon rotates on its axis at the same rate it orbits Earth.