The word planet comes from the Greek πλανήται (planḗtai) 'wanderers'. In antiquity, this word referred to the Sun, Moon, and five points of light visible to the naked eye that moved across …

May 28, 2025 · A more modern definition can be found in the Merriam-Webster dictionary which defines a planet as "any of the large bodies that revolve around the Sun in the solar system."

The smallest and fastest planet, Mercury is the closest planet to the Sun and whips around it every 88 Earth days. Spinning in the opposite direction to most planets, Venus is the hottest …

Oct 17, 2025 · Planet, broadly, any relatively large natural body that revolves in an orbit around the Sun or around some other star and that is not radiating energy from internal nuclear fusion …

The English word planet comes from the Greek planēs. Unlike the ancient Greeks, we now know that the planets "wander" across the sky because they are revolving around the sun.

May 21, 2024 · Discovered in 1930, it was long considered the ninth planet in our solar system. But in 2006, the International Astronomical Union revised its definition of a planet. Under the …

May 2, 2025 · Jupiter is the fifth planet from the sun and the largest planet in the solar system. The gas giant is more than twice as massive as all the other planets combined, according to …

There are eight planets. In order of distance from the Sun, they are: Mercury, Venus, Mars, Jupiter and Saturn are visible with the naked eye, and have been known throughout human …

Mar 12, 2025 · What is a Planet? The word goes back to the ancient Greek word planēt, and it means "wanderer." A more modern definition can be found in the Merriam-Webster dictionary …

Oct 15, 2025 · There are eight planets in the solar system. The four inner terrestrial planets are Mercury, Venus, Earth, and Mars, all of which consist mainly of rock. The four outer planets …