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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
- About the Planets - Science@NASA
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 "
- 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
- Planet - National Geographic Society
Under the new definition, a planet must be massive enough that gravitational forces have cleared its solar orbit of other objects Because astronomers have discovered other bodies in the neighborhood of Pluto, Pluto did not meet the revised definition of a planet
- PLANET Definition Meaning - Merriam-Webster
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
- Planets and Other Worlds - The Planetary Society
Learn why these worlds are so important, and how you can get involved We study the Sun to learn about how stars work, and to help protect our civilization from solar storms Mercury a little-explored world, full of mystery, with a surface split into extremes and an interior that puzzles scientists
- NASA Webb Telescope Discovers Lemon-Shaped Planet, the ‘Stretchiest . . .
An unusual object orbiting a rapidly spinning star might be a new phenomenon in the universe
- A Complete Guide to the Solar System and the Night Sky | TheSkyLive
Apparent Planet Sizes Comparison between the apparent size of the planets, measured in seconds of a degree, as they appear today
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