Planet Earth
Common Facts Third planet from the sun The fifth largest of the nine major planets A distance of 149,503,000 km from the sun The only known planet to support life in the solar system
Earth’s Orbit the path through which the Earth travels around the Sun. a complete orbit occurs every 365.256 days – One Solar Year Travels 584 million miles in a year Earth's orbital speed averages about 67,000 mph
Atmospheric Composition Occurring Gas Percentage Atmospheric Composition Nitrogen 78% Oxygen 20% Carbon Dioxide 0.0035% Other Gases 1.9965%
Nitrogen (78%) Carbon Dioxide (0.0035%) Others (1.9965%) Oxygen (20%)
Population Density
Space Shuttle First Flight was May 7, 1992 – May 16, 1992 Spent 296 days, 3 hours, 34 minutes and 2 seconds in space 4,671 orbits With a total of 197,761,262 km travelled
Cost $450 million per launch Stands 184.2 feet high Weighs 2,030 tonnes Fuelled by expendable liquid hydrogen and oxygen rocket boosters