Galileo Discovers 3 Moons of Jupiter
On this date: Galileo discovers three major moons of Jupiter
Galileo Galilei, with a homemade telescope, noticed three points of light near Jupiter. Initially believing they were distant stars, Galileo’s repeated observations over several nights and realized they were moons orbiting the gas giant.
Well, any of us who has ever looked through a telescope could say the same, for the two principal types in use today were developed by giants: the refractor by Galileo and the reflector by Newton.
Maybe you received a telescope during the holiday season, or perhaps you’ve gifted yourself with a scope. I want you to get ...
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The Evolution Of The Telescope, From Galileo To Hubble And BeyondShortly after he began producing his binoculars, news of the telescope reached Galileo. These days, the telescope is mostly closely associated with the night sky, but it's also useful on land ...
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Galileo Galilei and Stephen Hawking: 300 years apart, united by the cosmosStephen Hawking was born exactly 300 years after Galileo Galilei died. Their death and birth, exactly 300 years apart on ...
3 min read The Hubble Space Telescope was designed to free astronomers of a limitation that has plagued them since the days of Galileo—Earth's atmosphere. Shifting air pockets in the atmosphere ...
Saturn’s rings are among the most glorious, stunning, and well-studied features in the Solar System. However, their age has ...
Galileo Galilei made an important discovery about Venus much later. He observed the planet not only waxing and waning through a telescope, but also appearing to change size. This showed him the ...
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