General Information and Exploration:
* NASA Solar System Exploration: [https://solarsystem.nasa.gov/](https://solarsystem.nasa.gov/) - A comprehensive resource with information on all planets, moons, asteroids, and more.
* Space.com: Planets [https://www.space.com/155-planets.html](https://www.space.com/155-planets.html) - A good starting point with summaries of each planet in our solar system.
* National Geographic: Planets [https://www.nationalgeographic.com/science/space/solar-system/](https://www.nationalgeographic.com/science/space/solar-system/) - Articles, photos, and videos exploring the planets and their features.
For Kids:
* NASA Space Place: [https://spaceplace.nasa.gov/](https://spaceplace.nasa.gov/) - Interactive activities and games designed for young learners.
* National Geographic Kids: Space [https://kids.nationalgeographic.com/explore/space/](https://kids.nationalgeographic.com/explore/space/) - Engaging articles, quizzes, and videos about space for children.
Detailed Scientific Information:
* JPL Solar System Dynamics: [https://ssd.jpl.nasa.gov/](https://ssd.jpl.nasa.gov/) - Data and ephemeris for planets, moons, and other celestial objects.
* The Planetary Society: [https://www.planetary.org/](https://www.planetary.org/) - A non-profit organization dedicated to space exploration, with articles and information on planets.
Planet-Specific Websites:
* NASA's Mars Exploration Program: [https://mars.nasa.gov/](https://mars.nasa.gov/) - Everything you need to know about the Red Planet.
* NASA's Jupiter Exploration Program: [https://www.nasa.gov/mission_pages/juno/main/](https://www.nasa.gov/mission_pages/juno/main/) - Information on the Juno mission and Jupiter.
Interactive 3D Visualizations:
* Solar System Scope: [https://solarsystemscope.com/](https://solarsystemscope.com/) - Explore planets, moons, and other celestial objects in a 3D interactive environment.
Educational Resources:
* Khan Academy: Astronomy [https://www.khanacademy.org/science/cosmology-and-astronomy](https://www.khanacademy.org/science/cosmology-and-astronomy) - Free online lessons and exercises on astronomy, including planets.
These are just a few examples, and there are many other great websites out there. Remember to check the resources frequently, as they are constantly updated with new discoveries and information!