what is plant

A planet is a celestial body that orbits a star, typically a star like our Sun. In our solar system, there are eight recognized planets: 1. **Mercury**: The closest planet to the Sun, Mercury is a small, rocky world with extreme temperature variations. 2. **Venus**: Known as Earth's "sister planet" due to its similar size and composition, Venus has a thick, toxic atmosphere and a very hot surface. 3. **Earth**: Our home planet, Earth is the only one known to support life. It has a diverse ecosystem, including land, water, and a variety of life forms. 4. **Mars**: Often called the "Red Planet" because of its reddish appearance, Mars has been a focus of exploration for its potential to host or have hosted life. 5. **Jupiter**: The largest planet in the solar system, Jupiter is a gas giant with a massive and dynamic atmosphere. 6. **Saturn**: Known for its stunning ring system, Saturn is another gas giant, and its rings are made up of ice and rock particles. 7. **Uranus**: Uranus is an ice giant with a unique feature – it rotates on its side, giving it a distinct tilt. 8. **Neptune**: The farthest known planet from the Sun, Neptune is another ice giant and has a dynamic atmosphere with powerful storms. In astronomy, a planet is typically characterized by its ability to orbit a star, have enough mass for its gravity to shape it into a nearly round shape, and have cleared its orbital path of other debris. Pluto, which was considered the ninth planet in our solar system for many years, was reclassified as a "dwarf planet" by the International Astronomical Union in 2006 due to these criteria not being met.