Space

Front

What is the closest star to Earth?

Back

The sun.

Front

What factors determine the brightness of a star as seen from Earth?

Back

The distance of the star from Earth; closer stars appear brighter.

Front

How long does it take for the moon to revolve around the Earth?

Back

Approximately 1 month.

Front

What is the duration of Earth's revolution around the sun?

Back

1 year.

Front

What causes shadows to change throughout the day?

Back

The rotation of the Earth.

Front

What is the primary reason for the seasons on Earth?

Back

The tilt of the Earth's axis as it orbits the sun.

Front

What is the difference between rotation and revolution in astronomy?

Back

Rotation is the spinning of a celestial body on its axis, while revolution is the movement of a celestial body around another body.

Front

What is the significance of the sun in our solar system?

Back

It is the central star that provides light and heat, influencing the orbits of planets.

Front

How does the distance of a star from Earth affect its apparent magnitude?

Back

The greater the distance, the dimmer the star appears; closer stars have a higher apparent magnitude.

Front

What is the average distance from the Earth to the sun?

Back

About 93 million miles (150 million kilometers).