Exploring Our Solar System Flashcard

Front

How many stars are in our solar system?

Back

One. Our solar system contains only one star, which is the Sun.

Front

What force keeps the planets in orbit around the Sun?

Back

Gravitational force. This force attracts the planets towards the Sun, keeping them in orbit.

Front

What is the largest planet in our solar system?

Back

Jupiter. It is the largest planet, significantly bigger than Earth.

Front

What shape do planetary orbits take in our solar system?

Back

Elliptical. The orbits of planets are not perfect circles but rather elongated shapes.

Front

During which phase of the Moon is it completely invisible from Earth?

Back

New Moon. During this phase, the Moon is between the Earth and the Sun, making it invisible.

Front

What is the primary component of the Sun?

Back

Hydrogen. The Sun is primarily composed of hydrogen, which undergoes nuclear fusion.

Front

What is the term for the path that a planet takes around the Sun?

Back

Orbit. Each planet follows a specific path called an orbit around the Sun.

Front

Which planet is known for its rings?

Back

Saturn. Saturn is famous for its stunning and extensive ring system.

Front

What is the smallest planet in our solar system?

Back

Mercury. Mercury is the smallest planet and closest to the Sun.

Front

What is the term for a celestial body that orbits a planet?

Back

Moon or Satellite. Moons are natural satellites that orbit planets.