Tag Archives: galileo

The Revolutionary Model of the Solar System

We all know Galileo Galilei championed the heliocentric model of the universe that Copernicus first proposed, but his reasoning behind … More Continue reading

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The Earth’s Gravity

  Gravity on Earth acts on all objects with the same force. No matter their mass, objects fall and accelerate at a constant rate. Due to the air resistance of different shapes, this is not always apparent. On a planet or moon lacking oxygen, the law could be simpler to demonstrate. On Earth, falling objects…Read more The Earth’s Gravity Continue reading

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Galileo’s Telescope

Most people credit Italian astronomer Galileo Galilei (1564-1642) with building the first telescope.  He did not, but he made great improvements and ingenious use of the instrument. Before the telescope were lenses.  In the 13th century, Italian artisans created lenses for glasses to be worn by scholars with failing eyesight.  The process of making glass was difficult, as unrefined … Continue reading Galileo’s Telescope Continue reading

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More than just a Queen lyric: Galileo and his part in 17th century Europe

Portrait of Galileo Galilei by Justus Sustermans – Source Galileo Galilei (15 Feb 1564 – 8 Jan 1642) played an integral role in the astronomical community’s transition from the Aristotelian geocentric model of the universe to the heliocentric model of the universe, which, although still incorrect, was a more accurate representation of the heavens. While he did […] Continue reading

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Historical Astronomers in Context

GALILEO 1564-1642 Galileo was extremely crucial to astronomy for many reasons. First of all, he was one of the first astronomers to fully utilize telescopes to observe the sky. As a result, his findings were based completely on his nightly observations – in a time where accepted published works were based largely on conjecture. Important […] Continue reading

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Historical Astronomers in Context

GALILEO 1564-1642 Galileo was extremely crucial to astronomy for many reasons. First of all, he was one of the first astronomers to fully utilize telescopes to observe the sky. As a result, his findings were based completely on his nightly observations – in a time where accepted published works were based largely on conjecture. Important […] Continue reading

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Historical Astronomers in Context

Galileo Galilei was born in 1564 and died in 1642. His lifetime spanned an important period in human history as it covered both the end of the Renaissance and the beginning of the Scientific Revolution. During his lifetime the British East India Company was chartered and rose to prominence, and the Indian massacre of 1622 took place… Continue reading

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a most galilean affair

Let’s talk about Galileo [February 15th, 1564 – January 8th, 1642]. Not only was he a champion of the Copernican heliocentric view of the cosmos; he also discovered four of Jupiter’s moons with his telescope – giving less and less credence to a critics of the heliocentric model because it showed that small objects could … Continue reading a most galilean affair Continue reading

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The World’s Largest Vaccuum

The world’s largest vacuum is located at NASA’s Space Power Facility in Ohio. In this video, a bowling ball and a feather are dropped together under the conditions of outer space to demonstrate the concept that objects will fall at…

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“Eppur si muove” … Maybe not

“And yet it moves.” Legend has it that these were the words whispered by Galileo after he recanted his claim that the Earth orbits the Sun before the Catholic Church at his trial in 1633. The Church had threatened his life if he did not, so this story shows a 70 year old man not willing to […] Continue reading

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