Why is mars red, Venus so hot and Saturn have rings?

Red Mars
Red Mars

Mars is red!

The rocks on the surface of mars contain iron, which has turned to a kind of rust. This red, dusty material covers the planet's surface and is sometimes blown into huge dust storms.

On Mars, the 'red planet', dust is so fine that it hangs in the thin air as a permanent haze, causing the sky to be pink rather than dark blue. Sometimes the surface of Mars disappears from sight beneath clouds of dust raised by Martian winds.

Hot Venus
Hot Venus

Venus is hot!

The atmosphere of Venus is about 90 times as thick as our own. Although it is always cloudy, enough sunlight breaks through to heat the rocky ground during its four-year 'day'. The thick atmosphere acts like a blanket and holds heat in.

The midday temperature is 480 degrees cel, as hot as an oven turned fully on. Venus could not support life as we know it. The clouds consist of concentrated sulphuric acid!

Saturn rings
Saturn rings

Saturn have rings!

Nobody knows this for sure. The rings are made up of countless pieces of rock and ice a few centimeters across. They could be the remains of a sattelite, or moon, that broke away many millions of years ago.

Saturn's ring system is about 22 times the diameter of the Earth, but it is only a few kilometers thick. The particles are like a blizzard in orbit around the planet's equator.

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