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Earth - PowerPoint PPT Presentation

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  1. Earth By Brittany and Madison

  2. Description This planet is formally known as earth that we are living on. This is our planet that we chose to do our PowerPoint on. Earth is the third planet from the sun and the largest. Orbit: 149,600,000 km (1.00 AU)from the sun. Diameter:12,756.3 km Mass: 5.972e24 kg

  3. Distance from the sun, orbit time • orbit: 149,600,000 km (1.00 AU) from sun. Diameter: 12,756.3 km Mass: 5.972e24 kg . In astronomy the Earth's orbit is the motion of the Earth around the Sun , from an average distance of approximately 150 million kilometres away. A complete orbit of the earth around the sun occurs every 365.256363 mean solar days (1 sidereal year ).This motion gives an apparent movement of the Sun with respect to the stars at a rate of about 1°/day (or a Sun or Moon diameter every 12 hours).

  4. Temperature • Temperatures on Earth are suited for life unlike anywhere else in our Solar System. Venus is the hottest planet in our Solar System reaching temperatures of more than 400°C while Uranus is the coldest planet dropping to temperatures of -224°C. However, Earth’s average temperature is about 14 or 15 degrees Celsius although it varies a few degrees depending on your source. The hottest temperature recorded on Earth was 70.7°C (159°F). The coldest temperature recorded on Earth – which was measured by the Russian Vostok Station – was -89.2°C (-129°F) on July 21, 1983

  5. Atmosphere • The atmosphere is a mixture of nitrogen (78%), oxygen (21%), and other gases (1%) that surrounds Earth. High above the planet, the atmosphere becomes thinner until it gradually reaches space. It is divided into five layers . Most of the weather and clouds are found in the first layer. • The atmosphere is an important part of what makes Earth liveable. It blocks some of the Sun's dangerous rays from reaching Earth. It traps heat, making Earth a comfortable temperature. And the oxygen within our atmosphere is essential for life. • Over the past century, greenhouse gases and other air pollutants released into the atmosphere have been causing big changes like global warming ,ozone holes and acid rain.

  6. Colour • From space ,Earth looks blue and Most people would say blue and green, but it is really mostly red, yellow, orange and green. The ocean is not blue it is clear.(that is from the view of a rocket, although from the view of a rocket the earth would be surrounded by clouds so it would have splodges of misty white around it)and if you mean the earth as in the ground then its probably brown (mud) and green (grass) but that depends where you are because you might be in a sand pit for all i know (if you areby chance in a sandpit then the ground is yellowy-orange

  7. Can humans live there? Why/Why not? • Yes humans can live on earth because there is life on earth, lots of trees that grow which produces oxygen to survive on. we can live on Earth but maybe in the future we can also live on different planets. LIVE LIFE AND HAVE FUN.