Solar System facts

It takes the Solar System about 240 million years to complete one orbit of the Galaxy.

The Sun accounts for about 99.86% of the total mass of the Solar System.

Earth is the only place in the Solar System where water can be present in its three states: solid, liquid and vapour.

Earth is the only place in the solar system where a total solar eclipse can happen.

Neptune has the strongest winds in the Solar System: 2,100 km/hour (1,304 mph).

If an atom were as big as the Solar System, a neutrino would as small as a golf ball.

Of all the solar system’s planets, Venus is the closest to a twin of Earth, with a similar size, orbit and composition.

Uranus has the coldest planetary atmosphere in the Solar System, with a minimum temperature of -371.56 °F (-224 °C).

Sweden has the largest scale model of the solar system in the world. It is in the scale of 1:20 million and stretches 950 km across the country.

A new model of the chemistry of the early solar system says that up to half the water now on Earth was inherited from an abundant supply of interstellar ice as our sun formed.

Mars has the tallest known mountain on a planet of our Solar System, with a height of 22 km (14 mi).



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