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Category Archives: Historical
“He’s Such an Ophiuchus”: The Forgotten 13th Zodiac Sign
In 2016, NASA shared this image of the zodiac constellations. Within this picture, we see the twelve signs commonly talked about in astrology, but we also see the presence of a less-discussed zodiac member: Ophiuchus. According to CNN, Ophiuchus is one of the 13 members of the Babylonian zodiac. However, 13 zodiac signs did notContinue reading ““He’s Such an Ophiuchus”: The Forgotten 13th Zodiac Sign” Continue reading
Posted in Historical, Stars
Tagged astro2110, Astrology, blog1
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The Zodiac & Precession
Do you know your sun sign? Well, even if you do, it’s probably wrong! Let me provide some background. The zodiac is a term for the 12 constellations found along the Sun’s ecliptic (a circle that represents the Sun’s apparent path through the constellations throughout the year), while your sun sign indicates what constellation the… Continue reading
Posted in Class, Historical, Stars
Tagged astro2110, blog1, precession, Zodiac
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An Important Musician In Astronomy
Many will remember William Herschel as the one who found planet Uranus. This founding was shocking and revolutionary. After all, Uranus was the first star found by humans for a long time. Nevertheless, there are many more interesting things one can say about William Herschel. For one, he did not train to be an astronomer.Continue reading “An Important Musician In Astronomy” Continue reading
Posted in Class, Historical
Tagged astro2110, blog5, history
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The Real Villain in Pluto’s Demise
The removal of Pluto as a planet was an emotional blow to anyone with a heart. It was a devastating betrayal leaving many asking questions that no one wanted to hear the answers to. While there were many reasons behind Pluto’s status change, the ultimate culprit is the dwarf planet Eris. Eris was discovered inContinue reading “The Real Villain in Pluto’s Demise” Continue reading
Posted in Class, Historical, Public Policy
Tagged astro2110, blog5, Eris, Kuiper Belt, Solar System: Terrestrials
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The Trouble With Astronomy 🤔
“Space,” it says, “is big. Really big. You just won’t believe how vastly, hugely, mindbogglingly big it is. I mean, you may think it’s a long way down the road to the chemist’s, but that’s just peanuts to space.” — Douglas Adams, The Hitchhiker’s Guide to the Galaxy So you want to study space? Now, … Continue reading The Trouble With Astronomy 🤔 Continue reading
Posted in Class, Historical, Observables, Stars, Universe
Tagged astro2110, blog4, history, technology
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Our Place in the Universe
How did you first picture the universe? Before being taught in school or at home what the universe was like, we often start to wonder about the world around us. This phase in a child’s life often leads to parents being questioned about almost everything. Questions range from why the sky is blue, why isContinue reading “Our Place in the Universe” Continue reading
The Resurgence of Flat Earth Theory
While believers in a Flat Earth have always existed (even after it became widely understood that the Earth is a sphere), the number of “Flat Earthers” has grown (and continues to grow) at alarming rates. So how is a fact that has been proven thousands of different ways over a few thousand years rejected byContinue reading “The Resurgence of Flat Earth Theory” Continue reading
Posted in Class, Historical
Tagged astro2110, blog2, nature of science, Solar System: Terrestrials
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Ultraviolet Catastrophe
While we discussed in class the importance of blackbody spectra continuous spectra, there is an important historical footnote in understanding where the famous blackbody curve arises from. Physics in the late 1800’s and early 1900’s predicted the wavelength-intensity relationship to be I α 1/λ^4, using a derivation based on classical statistical mechanics. This relationship closelyContinue reading “Ultraviolet Catastrophe” Continue reading
Posted in Class, Historical, Light, Physics
Tagged astro2110, blog2, Einstein, ultraviolet
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History of the Telescope
The telescope was first invented in the Netherlands in 1608. Its design quickly spread across Europe until it reached Galileo. Galileo spent years refining and redeveloping the telescope until it was much more powerful than before. He was able to observe many new astronomical phenomena such as the moons of Jupiter. For a while, GalileoContinue reading “History of the Telescope” Continue reading
Stromatolites
Stromatolites are layered mounds or sheet-like layers of sedimentary rock that were originally forced by growing on a layer of cyanobacteria, a single-cell microbe. Fossilized stromatolites provide a record of ancient life and tidal patterns on Earth. Millions of years ago, seas all over the world would resemble the picture above, which was taken fromContinue reading “Stromatolites” Continue reading