Kepler's planetary puzzle Can you separate the pieces and rebuild the puzzle? Try to solve this challenging wooden puzzle. An important figure in the scientific revolution of the 17th century, Kepler published his laws of planetary motion in 1609 and played a decisive role in discrediting the belief that the sun orbited the Earth. Galileo balloon Separate the pieces and rebuild the wooden globe. One of the most influential astronomers, Galileo was the inventor of the telescope, making the study of the universe more accessible than ever. He also stated that the Earth was not the center of the universe, but that the planets, including the Earth, orbited the Sun, a controversial theory at the time! Halley's Comet Can you separate the pieces and rebuild the puzzle? As a young man, Halley became the youngest member of the Royal Society at the age of 22.