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- Planet - Wikipedia
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 the background of the stars—namely, Mercury, Venus, Mars, Jupiter, and Saturn
- Planet Labs: Satellite Imagery Earth Data Analytics
Discover how Planet's daily satellite imagery and insights empower global decisions and actions with a multidimensional view of our changing planet
- About the Planets - Science@NASA
Is There Another Planet in the Solar System? It's an intriguing idea that might explain some current mysteries, but direct evidence of another planet has yet to be found
- Planet | Definition, Solar System, Characteristics, Facts | Britannica
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 reactions There are eight planets orbiting the Sun in the solar system
- Planets in Order From the Sun | Pictures, Facts, and Planet Info
The ongoing debate over planet classification persists amidst our expanding knowledge of the universe, which includes the discovery of numerous exoplanets, potentially including habitable ones within the Milky Way Galaxy, raising questions about the applicability of our current definitions
- The Nine Planets of The Solar System | Eight Planets Without Pluto
The Nine Planets is an encyclopedic overview with facts and information about mythology and current scientific knowledge of the planets, moons, and other objects in our solar system and beyond The smallest and fastest planet, Mercury is the closest planet to the Sun and whips around it every 88 Earth days
- Planets in Order From the Sun | Learn About The Solar System
A planet is a celestial body that (a) is in orbit around the Sun, (b) has sufficient mass for its self-gravity to overcome rigid body forces so that it assumes a hydrostatic equilibrium (nearly round) shape, and (c) has cleared the neighborhood around its orbit
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