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Category Archives: Class
Is it possible to travel faster than light?
Einstein created a new physics framework with the notions of space and time, known as the theory of general relativity. As he continued to study these concepts, he realized the connectedness between the two, then referring to it as space-time. His theory explained how time does not go by at the same rate for stillContinue reading “Is it possible to travel faster than light?” Continue reading
Posted in Class, Light
Tagged astro2110, blog1, light-speed
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The Equinoxes Throughout History
The winter and summer solstices occur as a result of the Earth’s tilt. The summer solstice occurs for a hemisphere when it is facing most directly towards the sun, and this marks the longest time of sunlight for that hemisphere. The winter solstice, is the exact opposite occurrence, resulting in the least amount of timeContinue reading “The Equinoxes Throughout History” Continue reading
Posted in Class, Historical
Tagged astro2110, blog1, equinox, Solar System: Terrestrials, solstice
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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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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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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
Blog 1- Ch 1&2: The Zodiac
From Chapter 2, we learned about how the zodiac symbols are derived from the constellations that are along the ecliptic. As the Earth orbits around the sun, different constellations are visible. The Babylonians set the zodiac signs over 3,000 years ago in correlation with their 12 month calendar. While we still use the same timeContinue reading “Blog 1- Ch 1&2: The Zodiac” Continue reading
Unfathomably Insignificant
It never fails to boggle my mind whenever I think about how vast and endless our universe truly is. Our cosmic address in the universe, beginning on Earth, to within our solar system, within the Milky Way Galaxy, within our Local Galactic Group, within the Virgo Supercluster, and within our Local Superclusters, is unbelievably microscopicContinue reading “Unfathomably Insignificant” Continue reading