Astronomy Review

Front

What was the first achievement of the former Soviet Union in space exploration?

Back

The former Soviet Union was the first country to have an astronaut orbit the Earth.

Front

How many phases does the moon go through in a lunar cycle?

Back

The moon goes through 8 phases.

Front

What is the common name for the planet Mars?

Back

Mars is known as the 'Red Planet'.

Front

How long does it take for the Earth to complete one rotation on its axis?

Back

One rotation of the Earth on its axis takes 24 hours.

Front

What causes the moon to appear bright in the night sky?

Back

The moon reflects light from the Sun.

Front

What is the significance of the Apollo 11 mission?

Back

Apollo 11 was the first mission to land humans on the Moon.

Front

What are the primary components of the solar system?

Back

The primary components of the solar system include the Sun, planets, moons, asteroids, comets, and meteoroids.

Front

What is the difference between a planet and a moon?

Back

A planet orbits a star, while a moon orbits a planet.

Front

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

Back

The average distance from the Earth to the Moon is about 238,855 miles (384,400 kilometers).

Front

What is the role of gravity in the solar system?

Back

Gravity is the force that keeps planets in orbit around the Sun and moons in orbit around planets.