July 30, 1610: Galileo sees Saturn’s rings

In 1610, Galileo Galilei became the first person to observe Saturn with a telescope. However, he was puzzled by what he saw: At first, he thought the planet had two moons, like lobes on either side of it, almost making it look like Saturn had ears. Two years later, when he observed the planet again,Continue reading “July 30, 1610: Galileo sees Saturn’s rings”
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