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Category Archives: Class
Galactic jet lag
In class, we discussed the implications and mechanics of light travel time. A major takeaway was the concept that because of the incredibly fast yet undeniably limited speed of light we are able to see VERY distant objects as they were VERY long ago. If you are like me, you might try to see what … Continue reading Galactic jet lag Continue reading
The Big Cheese
I’m a wonderer, so often times I wonder about odd things. Also, I have a nickname, The Big Cheese. nickname, The Big Cheese.https://www.pinterest.com/pin/429741989423661504 Kinda related both of those things, today I’m going to be asking: “Where did the idea that the Moon was made of cheese come from?” To start, I did a simple google … Continue reading The Big Cheese Continue reading
Some Context…
I thought to start out the semester, I would look back and provide a little context for myself and everyone else as to how we as humans used to do astronomy. I learned some of the basics of the history of astronomy in a class called the Scientific Revolution. We discussed some of the big […] Continue reading
2200 Nanometers
About 1/50th a hair’s width. That’s the size of the error which seriously set back the Hubble telescope. Perkin-Elmer diagnostics was tasked with grinding down the primary mirror, a 7.8 foot wide *almost* flat surface. The mirror’s curvature was determined by a reflective mirror array which bends a laser to precisely trace the surface’s desired … Continue reading 2200 Nanometers → Continue reading
NASA Solar System Exploration Website
While searching for a website that is useful for observing the solar system, I found the NASA Solar System Exploration website. The landing page rotates through all of the planets in our solar system and provides quick facts about each planet. Currently, listed below this display are facts telling the time until a total lunar … Continue reading NASA Solar System Exploration Website → Continue reading
Our Earth, the Spinning Top?
What if I told you that in a couple thousand years from now, your Zodiac sign would no longer be your Zodiac sign? It may be devastating to devout followers of astrology, but the relative positions of the Zodiac constellations are changing very, very slowly, at least from our viewpoint. This is due to a … Continue reading Our Earth, the Spinning Top? → Continue reading
Posted in Class, Stars, Terrestrials
Tagged astro2110, blog1, earth, precession, Solar System
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A Brief History of Precession
The priests of ancient Babylonia and Egypt were pioneer astronomers – they studied the sky, mapped constellations, and noted movements in both the Sun and the Moon – but, it was a Greek astronomer, Hipparchus, who made the first major new discovery in astronomy: precession. Comparing observations more than a century apart (particularly those done by … Continue reading A Brief History of Precession → Continue reading
The Moon & Human Behavior
In Chapter 2 we learned about the phases of the moon and important astronomical events such as solar and lunar eclipses. After reading this chapter, I thought back to the solar eclipse my freshman year when my friend said that the eclipse altered the behavior of animals and people within its range. At the time, […] Continue reading
Posted in Class, Science
Tagged astro2110, blog1, moon phases, Solar System
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The Moon & Human Behavior
In Chapter 2 we learned about the phases of the moon and important astronomical events such as solar and lunar eclipses. After reading this chapter, I thought back to the solar eclipse my freshman year when my friend said that the eclipse altered the behavior of animals and people within its range. At the time, … Continue reading The Moon & Human Behavior → Continue reading
Posted in Class, Science
Tagged astro2110, blog1, moon phases, Solar System
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Power of Ten Reaction
I have a wall in my dorm room where I have started to post quotes that I love. After watching the Power of Ten video, I think I may have another quote that I will post to my wall collection. Philip Morrison, the narrator in the video, says: “This lonely scene, the galaxies like dust, … Continue reading Power of Ten Reaction → Continue reading
Posted in Class, General
Tagged astro2110, blog1, Solar System
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