Secrets Of The Solar System
Mars is one of the best-explored places in the solar system and yet we still don't know the answer to the big question of whether there is or was life on Mars.
Jupiter is big, very dangerous and has moons as big as planets, but the more we learn we must conclude this giant is less of a planet and more of a failed star.
A team of scientists launch a probe to touch the sun and make a surprise discovery on the tiny planet Mercury.
Embark on a grand tour of the solar system, unravelling secrets that the planets have harboured for millions of years and discover that Earth almost never existed at all.
For centuries, humans imagined Venus to be a tropical paradise. Now spacecraft have revealed that in reality Venus's clouds are full of acid and the temperature is the same even at the poles.
In 1610, Galileo Galilei became the first person to observe Saturn's rings and this celestial mystery has been puzzling mankind ever since.
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