1. Planets

2. Sun Energy comes from Nuclear Fusion: Hydrogen atoms join together to form Helium Three zones/layers of the Sun: 1.Convection Zone 2.Radiation Zone 3.Core Features of the Sun include: 1.Sunspots: areas of gas that are cooler than those around it 2.Prominences: huge reddish loops of gas 3.Solar Flares: super heated gas eruptions 4.Solar Wind: wind from the corona as a result of a solar flare

3. Mercury DISTANCE FROM THE SUN : About 36,000,000 miles DIAMETER : About 3,000 miles DAYS TO ORBIT AROUND THE SUN : 88 Earth days ROTATION ON ITS AXIS: 59 Earth days ATMOSPHERE : Almost non existent-trace amounts of Hydrogen and Helium NUMBER OF MOONS: 0 TEMPERATURE : 810° F, -279°F *FASTEST ORBITING SPEED AROUND THE SUN: 30 mi./sec.

4. Venus DISTANCE FROM THE SUN: About 68,000,000 miles DIAMETER: About 7,500 miles DAYS TO ORBIT AROUND THE SUN: 224.7 Earth days ROTATION ON ITS AXIS: 243Earth days ATMOSPHERE: Carbon Dioxide; Sulfuric Acid clouds- obscure views of the surface NUMBER OF MOONS: 0 TEMPERATURE: 867°F *hottest of any planet

5. Earth DISTANCE FROM THE SUN: About 93,000,000 miles DIAMETER: About 8,000 miles ORBIT THE SUN: 365.26 days ROTATION ON ITS AXIS: 23hr/56min. ATMOSPHERE: 78% Nitrogen, 21% Oxygen, 1% Argon, Carbon Dioxide and trace gases NUMBER OF MOONS: 1 TEMPERATURE: -129°F to 136°F

6. Mars DISTANCE FROM THE SUN: About 142,000,000 miles Diameter: About 4,000 miles ORBIT THE SUN: 1.88 Earth years ROTATION ON ITS AXIS: 24hr, 37 min ATMOSPHERE: Primarily Carbon Dioxide MOONS: 2 TEMPERATURE: 185° to 50 ° F

7. Jupiter DISTANCE FROM THE SUN: About 483,700,000 miles DIAMETER: About 89,000 miles ORBIT THE SUN IN EARTH YEARS: 11.86 years ROTATION ON ITS AXIS: 9 hrs, 51 minutes ATMOSPHERE: 90% Hydrogen and 10% Helium NUMBER OF MOONS: 60 AVERAGE CLOUD TEMPERATURE: -186°F

8. Saturn DISTANCE FROM THE SUN: About 888,000,000 miles DIAMETER: About 75,000 miles ORBIT THE SUN IN EARTH YEARS: 29.42 Earth years ROTATION ON ITS AXIS: 10 hours, 39 minutes ATMOSPHERE: 97% Hydrogen and 3% Helium NUMBER OF MOONS: 33 AVERAGE CLOUD TEMPERATURE: -193°F

9. Uranus DISTANCE FROM THE SUN: About 1,800,000,000 miles DIAMETER: About 32,000 miles ORBIT THE SUN IN EARTH YEARS: 83.75 Earth years ROTATION OF ITS AXIS: 17 hours, 14 minutes ATMOSPHERE: 83% Hydrogen, 15% Helium and 2% Methane NUMBER OF MOONS: 21 AVERAGE CLOUD TEMPERATURE: 193°F

10. Neptune DISTANCE FROM THE SUN: About 2,800,000,000 miles DIAMETER: About 31,000 miles ORBIT THE SUN IN EARTH: 164 Earth Years ROTATION ON ITS AXIS: 16 hours, 7 minutes ATMOSPHERE: 74% Hydrogen, 25% Helium and 1% Methane NUMBER OF MOONS: 11 AVERAGE CLOUD TEMPERATURE: -315°F

11. COMET COMET: meaning “long haired star” in Greek Loose collection of ice, dust and small rocky particles and possibly a rocky core whose orbits are usually very long, narrow ellipses Originates from: Kuiper belt and Oort cloud Haley’s comet 1986

12. Meteors METEOROID: chunk of rock or dust in space; come from comets or asteroids. METEOR: when a meteoroid enters the Earth’s atmosphere METEORITE: meteoroid that passes through the Earth’s atmosphere and hit Earth’s surface