Answer: A Eight. There are officially eight planets in our solar system – Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus and Neptune. Pluto is no longer classified as a planet. There are also ...

Confusing your Kelvins with your craters? Red spots with gas giants? Our solar system continues to reveal amazing facts and inspire some out-of-this-world fantasy. Take the quiz to find out how much ...

Angelica Stabile is a lifestyle reporter for Fox News Digital.

The questions in this quiz are suitable for GCSE physics students studying the structure of the Solar System, the Sun, orbital motion and orbits and speed - Higher. If you struggled with the quiz, don ...

1. This Jovian moon is the most geologically active planetary body in the Solar System, rendering life on this body very unlikely – but not impossible, especially since all that activity keeps it ...

Astronomers have traced the growth of Earth's solar system back to its cosmic womb, before the sun and planets were born. The solar system coalesced from a huge cloud of dust and gas that was isolated ...