Sciencenter Sagan Planet Walk Podcast

Is Pluto a major planet or simply one of the largest trans-Neptunian objects?

Neptune, the planet that has yet to complete a single 37-billion-kilometer trip around the Sun

Uranus, a planet that seems to be lying on its side

Saturn, a planet takes 30 years to complete a trip around the Sun

Jupiter, the star that failed

The Asteroid Belt

Mars, the red planet

Earth, our home planet

Venus, where it's always raining sulphuric acid

Mercury, the Sun's nearest neighbor

The Sun, a 5 billion year old nuclear fusion reactor

The Sagan Planet Walk is a scale model of the Solar System in the City of Ithaca, NY. The model stretches from the center of the Commons in downtown Ithaca to the Sciencenter 1.2 km away.