Category Archives: Class

Pseudoscience and Balancing Eggs on Equinoxes

Can eggs really balance on end during equinoxes? The answer to that question is not that simple. Yes, but the fact of the matter is that you could balance an egg on its end any day of the year and not just during one of the two equinoxes. Each year, on approximately March 20th and … Continue reading Pseudoscience and Balancing Eggs on Equinoxes Continue reading

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Historical Astronomers in Context

Historical Figures of Astronomy Astronomer Birth Date Death Date Nicholas Copernicus 19 February 1473 24 May 1543 Galileo Galilei 15 February 1564 8 January 1642 Johannes Kepler December 27, 1571 November 15, 1630 Isaac Newton 4 January 1643 31 March 1727 Tycho Brahe 14 December 1546 24 October 1601 Note: Galileo Galilei and Johannes Kepler … Continue reading Historical Astronomers in Context Continue reading

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Tycho Brahe in Context

Tycho Brahe was born on December 14, 1546 and died on October 24, 1601. These dates are converted to the Gregorian Calendar, as the Gregorian Calendar was established during his lifetime. Tycho Brahe made vast improvements to the instruments of measurement used in the study of astronomy. He was a pioneer in observational astronomy in … Continue reading Tycho Brahe in Context Continue reading

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Historical Astronomers in Context: Nicholas Copernicus

Nicholas Copernicus (February 19, 1473 – May 24, 1543) was a Polish scientist who mathematically calculated the details of a heliocentric, or sun-centered, solar system.  He uncovered relationships that permitted him to calculate each planet’s orbital period and the distance from each planet to the sun in terms of the astronomical unit (AU), or the … Continue reading Historical Astronomers in Context: Nicholas Copernicus Continue reading

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Copernicus Does a Revolution

Copernicus is known for challenging the established geocentric model that was integral to the catholic church’s perception of earth’s divine creation with his publication of The Revolutions (Of the Celestial Spheres). He set the stage for a better understanding of our place in the solar system, and soon after his death in 1543 the world … Continue reading Copernicus Does a Revolution Continue reading

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Historical Astronomers in Context

Galileo Galileo Galilei (February 15, 1564 – January 8, 1642) made the telescope famous by improving upon spyglasses in order to increase their magnification and observe phenomena in space. He discovered that neither the sun nor the moon are smooth, observed the phases of Venus, and discovered the 4 biggest moons of Jupiter. Considering that … Continue reading Historical Astronomers in Context Continue reading

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Copernicus in Context

Nicolaus Copernicus Nicolaus Copernicus was born February 19, 1473 and died May 24, 1543. Copernicus‘ most important contribution to astronomy is his heliocentric model of the solar system that placed the Sun at a fixed point in the center, and depicted the planets orbiting the Sun. In this model, Earth was just another planet. The … Continue reading Copernicus in Context Continue reading

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Historical Astronomers in Context

Galileo Galilei:  15 February 1564 – 8 January 1642 Galileo Galilei was extremely important to astronomy. He made some adaptations to telescopes and then used them for studying the stars. Thus, he was able to much more closely and precisely objects in the sky. He observed sun spots on the sun, proving it wasn’t perfect … Continue reading Historical Astronomers in Context Continue reading

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A Science Lesson in History (Historical Astronomers in Context)

Isaac Newton was born on January 4 in 1643 in Woolsthorpe, England and died on March 31 in 1727 in Kensington, England. Sir Isaac Newton contributed to the discovery of gravity, the laws of motion and forces. He also clarified the understanding of optics and invented calculus. The first law is that an object in … Continue reading A Science Lesson in History (Historical Astronomers in Context) Continue reading

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Historical Astronomers in Context

Galileo Galilei (Feb 15, 1564 – Jan 8, 1642) Historical Events During Galileo’s Lifetime: In 1607, Jamestown was founded, becoming the first permanent English colony established in the Americas. Jamestown was established by the Virginia Company of London and was a settlement in the Virginia Colony, which was chartered in 1606. Starting in the early … Continue reading Historical Astronomers in Context Continue reading

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