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Category Archives: Historical
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 → Continue reading
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 → Continue reading
What is the Cosmic Calendar? Carl Sagan, a famous astronomer, promoted this idea of the cosmic calendar, that essentially is a tool used to help people visualize and understand how far apart events in the Universe are. Sagan has chronologically arranged the hallmark events of the Universe’s 13.8 billion year life span into just aContinue reading “The Cosmic Calendar” Continue reading → Continue reading
Growing up, I fantasized time travel and if it would ever be possible. I watched cartoons and movies that made time travel seem so real. Of course, I got a little older and realized physical time travel would be a thing of the distant future, if it ever comes to fruition. I let the fantasyContinue reading “And We’re Off, To the Past” Continue reading → Continue reading
To this day, one of humanity’s most loaded questions remains unanswered: are we alone in this universe? Though we have yet to detect the presence of any extraterrestrial civilizations, that has not stopped humanity from attempting to make contact with whatever else might be out there. The most famous attempt to communicate humanity’s existence to … Continue reading The Arecibo Message: Humanity’s Greeting to the Cosmos → Continue reading → Continue reading
The Ancient Egyptians cared a great deal about astronomy. Probably too much, in fact. According to their beliefs, the movements of the planets and stars played a role in the annual flooding of the Nile river, and if you are an Ancient Egyptian, you will do just about anything to appease the Nile, and that … Continue reading Ancient Egyptian Astronomy → Continue reading → Continue reading
NASA has revived the dreams of many optimists hopeful of smashing the dire predictions of the ideal rocket equation. Insane designs have long been dreamed of by lunatics attempting to create breakthroughs with the power of the atom, but a NASA research program in the 70’s laid encouraging groundwork for a possible fission rocket. NERVA … Continue reading Fission Rocket Engines: Soon? Continue reading → Continue reading
In the 1950’s and 60’s, optimism about the new discoveries related to fission of atoms and available energy ran rampant. Ambitious designs of all kinds were created based around the new marvel of nuclear energy. Eager to harness the massive potential of fission and fusion reactions, scientists and engineers at NASA began to ponder the … Continue reading Project Orion: Humanity’s Best Hope? Continue reading → Continue reading
Comets have been noticed by ancient civilizations for millenia, and, like many other celestial bodies, were viewed as omens of the future. Comets in particular were considered bad omens. The most famous example is Halley’s Comet, seen in 1066 by the English and theorized to have been an omen for Harold II of England’s death. … Continue reading Comets as Omens of the Future Continue reading → Continue reading
We are pretty used to things falling from the sky unexpectedly, as this often results in humans falling victim to injury. So it is pretty natural to ask, has anyone been hit by a meteorite: a piece of rock and metal that has survived passage from space through Earth’s atmosphere and ultimately fallen to Earth’s … Continue reading Has Anyone Been Hit By a Meteorite? → Continue reading → Continue reading