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05-03-05-009-s Name: Date: Subject: Year 5 Science Unit: 5e Earth, sun and moon The Planets Neptune is the eighth planet from the Sun, it is also the furthest. The planet was discovered on September 23, 1846. It takes 165 years to orbit the Sun. Neptune can be not be seen with the naked eye. The planet is slightly bigger than its near twin Uranus. Neptune is surrounded by ring arcs and has 13 moons, the biggest moon is called Triton. Neptune is named after the Roman god of the sea. It has the strongest winds of all the planets in the solar system, some winds reaching over 1000 mph. Planet Neptune is one of the coldest planets in the solar system because of its distance from the Sun. Neptune is made of the same gases and ices as Uranus, and both planets are known as 'ice giants'. © Primary Leap Ltd. 2008 www.primaryleap.co.uk - Primary Resources Score 7 05-03-05-009-s Name: Date: Subject: Year 5 Science Unit: 5e Earth, sun and moon The Planets 1) How many planets is Neptune away from the Sun? __________________________________________________ 2) How many years does it take Neptune to orbit the Sun? __________________________________________________ 3) Who is Neptune named after? __________________________________________________ 4) How many moons has Neptune got? __________________________________________________ 5) What is Neptunes biggest moon called? __________________________________________________ 6) When was Neptune discovered? __________________________________________________ 7) Can Neptune be seen with the naked eye? __________________________________________________ © Primary Leap Ltd. 2008