Here are some of the big objects in our solar system!
Sun
Our sun is the only star in our solar system. Nuclear fusion that occurs in the sun is the source of light and heat that is vital for life on earth as we know it.
Mercury
- Length of day: 4,222.6 hours
- Orbital period: 88.0 days
Venus
- Length of day: 2,802.0 hours
- Orbital period: 224.7 days
Earth
- Length of day: 24.0 hours
- Orbital period: 365.2 days
Earth is the fifth largest planet in our solar system. Oceans cover 70% of the Earth's surface. Earth's atmosphere is mostly nitrogen with significant amounts of oxygen.
Mars
- Length of day: 24.7 hours
- Orbital period: 687.0 days
Jupiter
- Length of day: 9.9 hours
- Orbital period: 4,331 days
Saturn
- Length of day: 10.7 hours
- Orbital period: 10,747 days
Uranus
- Length of day: 17.2 hours
- Orbital period: 30,589 days
Neptune
- Length of day: 16.1 hours
- Orbital period: 59,800 days
