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Space Exploration Pt. 1
Transcript of Space Exploration Pt. 1
It has a diameter of 1 391 016 km.
The Sun has a surface temperature of 5 500 °C and a core temperature of 15 000 000 °C.
The Sun is the source of light and heat in our Solar System.
The relatively cool holes in the Sun's surface are called 'sunspots'.
The Sun is made up of many gases, mainly hydrogen and helium. ds MERCURY Mercury is the smallest planet in our solar system and has a rocky surface that is scarred by meteoric craters.
Distance from Sun: 58 000 000 km
Diameter: 4 879 km
1 day: 176 Earth days
1 year: 88 Earth days VENUS Venus is very hot and always covered by creamy white clouds of sulphuric acid. Spacecrafts cannot land on Venus due to the corrosive fluorosulphuric acid that eats through rocks and metal.
Distance from Sun: 108 000 000 km
Diameter: 12 100 km
1 day: 243 Earth days
1 year: 225 Earth days EARTH Earth is the only inhabitable planet in our Solar System. It has water, rocks and vegetation on its surface and clouds in its atmosphere. It also has 1 moon.
Distance from Sun: 150 000 000 km
Diameter: 12 756 km
1 day: 1 Earth day
1 year: 365 Earth days
MARS Mars has a red rocky surface with mountains, valleys and carbon dioxide. Storms sweep across the planet creating tornadoes up to 8 km high. Mars also has 2 moons.
Distance from Sun: 228 000 000 km
Diameter: 6 780 km
1 day: 25 Earth hours
1 year: 686 Earth days JUPITER The dark coloured stripes (belts) of Jupiter are created by clouds of frozen ammonia. The Great Red Spot in the southern hemisphere that is a big swirling storm. Jupiter also has 63 moons and 4 rings.
Distance from Sun: 778 000 000 km
Diameter: 142 984 km
1 day: 10 Earth hours
1 year: 12 Earth years SATURN Saturn has large rings that are made up of thousands of ringlets of ice, rocks and dust. It is made up of mainly hydrogen with some helium and also has 62 moons.
Distance from Sun: 1 427 000 000 km
Diameter: 120 540 km
1 day: 10 Earth hours
1 year: 30 Earth years URANUS Uranus gets its blue colour from the methane in its atmosphere. It has 32 moons as well as 13 rings. Its orbit is almost at a right angle to its axis.
Distance from Sun: 2 870 000 000 km
Diameter: 51 118 km
1 day: 17 Earth hours
1 year: 84 Earth years NEPTUNE Neptune is also known as the Blue Planet due to its colour. It is known to have a Great Dark Spot below its equator. Neptune has 13 moons and 9 rings.
Distance from Sun: 4 497 000 000 km
Diameter: 49 528 km
1 day: 18 Earth hours
1 year: 165 Earth years WHAT ELSE DO YOU KNOW? WHAT ELSE DO YOU KNOW? WHAT ELSE DO YOU KNOW? WHAT ELSE DO YOU KNOW? WHAT ELSE DO YOU KNOW? WHAT ELSE DO YOU KNOW? WHAT ELSE DO YOU KNOW? WHAT ELSE DO YOU KNOW? WHAT ELSE DO YOU KNOW? Diameter: 14 750 000 000 km
Distance from centre of Galaxy: 30 000 light years
Number of major planets: 8 Here are some other bright stars that are found around our Sun! Sirius Alpha Centauri DISCUSS: Do you think these stars are similar to our Sun? Do you think they have planets that orbit around them too? Sun Altair Vega Rasalhague Formalhaut Castor Capella Pollux Arcturus Aldebaran Alderamin