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Daily Archives: January 19, 2020
Moon Phases and Eclipses
The “Man in the Moon” is a story we have all heard since childhood: look into the sky and you’ll see a face in the moon, however I would get confused when I would look up and he would be missing. Where did this man go? Why isn’t he or the moon in the skyContinue reading “Moon Phases and Eclipses” Continue reading
Speed of light and distance
It is a nearly universal maxim of science fiction that faster than light (FTL) travel must exist. Let us take a look at why this is universally necessary for the sake of a good story by comparing the size and scope of both our real universe and a few fictional universes to how long traversalContinue reading “Speed of light and distance” Continue reading
The Cosmic Calendar
Did you know that the current age of the universe is 13.8 billion years? A useful instrument for visualizing the chronology and age of the universe is the cosmic calendar. With this cosmic calendar scale, the big bang takes place on January 1 at midnight and there are 37.8 million years per day. This isContinue reading “The Cosmic Calendar” Continue reading
Posted in Class, Universe
Tagged astro2110, blog1, cosmiccalendar
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How Small We Are
I think that it’s absolutely fascinating to think and learn about the vast size and scale of the universe. Everybody’s been told that their problems aren’t important in the grand scheme of things and while getting a C on a test might ruin your day, your life probably isn’t going to change course because ofContinue reading “How Small We Are” Continue reading
When the Moon turns red
Unlike the usual Moon, during a total lunar eclipse, th继续阅读“When the Moon turns red” Continue reading
Posted in Class
Tagged astro2110, blog1, eclipses, Observation, Solar System: Moons
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The Limitations of Space Travel
Let’s just imagine for a moment that humanity eventually advances in technology such that light-speed travel is attainable. The speed of light, roughly 3×10^8 m/s, is the upper limit on travel speed- If light could go any faster, it would. With light-speed travel, humanity will likely attempt to colonize other planets, for a variety ofContinue reading “The Limitations of Space Travel” Continue reading
Posted in Class, Space Travel
Tagged astro2110, blog1, lightspeed
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How a Solar Eclipse Revolutionized Our Understanding of the Universe
Up until the early 20th century, the laws that our universe abided by were best described by Isaac Newton in his Philosophiae naturalis principia mathematica. Newton’s principles still hold true for the most part, as they are the basis of many introductory classical mechanics classes today. Despite being able to model the laws of ourContinue reading “How a Solar Eclipse Revolutionized Our Understanding of the Universe” Continue reading
Posted in Historical, Universe
Tagged astro2110, blog1, eclipse, Einstein, general relativity
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The Dark Side of the Moon?
The Moon is tidally locked to the Earth, which means that we always see the same side of the Moon. People have come to call the side of the moon that we do not see the “dark side” of the Moon, as they think that this side never sees the sun and that the Moon’s […] Continue reading
Posted in Light
Tagged astro2110, blog 1, moon phases, Solar System: Moons
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Star Atlas
This picture is a screenshot of the night sky view on January 19th, 2020 over Nashville through the lens of Star Atlas. Star Atlas is a website that allows anyone across the world to see the names and locations of various stars and planets they might see in the sky. In addition to a nightContinue reading “Star Atlas” Continue reading
What would happen if humans could travel at the speed of light?
Light speed travel has been a staple of popular culture for years. I first became aware of the idea of light speed from watching Star Wars as a kid. But would we ever be able to actually travel at the speed of light? What would happen if we were able to achieve light speed travel?Continue reading “What would happen if humans could travel at the speed of light?” Continue reading
Posted in Space Travel
Tagged astro2110, blog1
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