How Many Planets Are In Our Solar System? - Sky & Telescope
https://skyandtelescope.org/astronomy-resources/solar-system-planets-how-many-are-there/
WebJul 15, 2021 · There are eight planets in the solar system: Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, and Neptune. The four inner solar system planets ( Mercury, Venus, Earth, and Mars) fall under the category of terrestrial planets; Jupiter and Saturn are gas giants (giant plants composed mostly of hydrogen and …
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