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Wendy R. (Solar System)
Transcript of Wendy R. (Solar System)
At around 1,392,000 kilometers (865,000 miles) wide, the Sun’s diameter is about 110 times wider than Earth’s.
Around 74% of the Sun’s mass is made up of hydrogen. Helium makes up around 24% while heavier elements such as oxygen, carbon, iron and neon make up the remaining percentage.
The Sun generates huge amounts of energy by combining hydrogen nuclei into helium. This process is called nuclear fusion.
Venus is surrounded by clouds consisting of mercury, ferric chloride hydrocarbons and sulfuric acid. These clouds create the most corrosive acid rain found anywhere in our solar system.
The surface of Venus is often described as a "stormy desert" full of many craters and very active volcanoes.
The clouds are so thick that little light even reaches the surface. The light that does reach the surface is converted to heat and can not escape the atmosphere making Venus the hottest planet at around 500 Degrees Celsius.
The surface of Mercury is very similar to our moon. It has a very barren, rocky surface covered with many craters.
Being so close to the Sun, the daytime temperature on Mercury is scorching - reaching over 400 Degrees Celsius
At however, without an atmosphere to hold the heat in, the temperatures plummet, dropping to -180 Degrees Celsius.
Earth is almost five billion years old, although life (resembling life as we know it) has only existed on the planet for the last 150 million to 200 million years. This means that life has only been present on Earth for only 5%-10% of its lifetime.
Earth is the only planet in the Solar system not to be named after a mythical God
From a distance, Earth would be the brightest of the planets. This is because sunlight is reflected off the planet's water.
Mars has many massive volcanoes and is home to Olympus Mons, the largest volcano in our solar system, it stands 21km high and is 600km across the base.
Mars has many channels, plains and canyons on the surface which could have been caused by water erosion in the past.
The polar ice caps consist of frozen Co2 (dry ice) which lies over a layer of ice.
If you weigh 100 pounds on Earth, you would weigh 264 pounds on Jupiter.
It rotates so quickly that the days are only 10 hours long.
In 1994, pieces of a comet called shoemaker-Levy 9 broke apart and crashed into Jupiter. This left patches in Jupiter's atmosphere that lasted for many months.
Saturn has 1,000 rings
Saturn is not a peaceful planet. Storm winds race around the atmosphere at 800 km/h.
Saturn has a very magnetic field which traps energy particles resulting in high levels of radiation.
Since Uranus takes 84 Earth years to go around the sun, this means that each of its poles is in daylight for 42 years and in darkness for the next 42.
Uranus was the first planet discovered by telescope.
Uranus spins lying on its side (like a barrel), this is perhaps due to a large collision early in its formation.
Neptune suffers the most violent weather in our Solar System.
Neptune is a large , water planet with a blue hydrogen-methane atmosphere and faint rings.
Storms have been spotted swirling around its surface and freezing winds that blow about ten times faster than hurricanes on Earth make it the windiest planet.
The dwarf planet Pluto is named for the ancient Roman god of the underworld.
A person who weighs 100 lbs. on Earth would weigh the least on Pluto than on any other planet, at 6.7 lbs.
For 76 years, Pluto was considered a planet. However, when astronomers discovered that it was just one of many large objects within the Quipper belt, Pluto was renamed a “dwarf planet” in 2006.f