The Reason the True Age of the Universe Can Be Definitively Proven

This discovery of the speed of light provided a satisfactory explanation as to why the world becomes dark at night. This is immensely important as the further a star is from an observer, the longer it will take for light to arrive from that point, to the observer themself. If the universe was infinite in its age, all of the light ever created would have had time to reach the Earth which would cause the night sky to be ablaze with starlight, photons emitted from every single possible part of the universe. This clearly is not the case so it is abundantly evident that the universe must have had an origin point. Scientists use the term “observable universe” as it’s entirely possible and likely that matter exists outside of what can be observed predicated upon the theory that as the universe expanded, light from this matter would have to travel increasingly larger distances to reach an observer. Because of constant expansion, this light has not yet had the chance to reach the Earth and perhaps never will, causing it to be outside of an observers field of vision and therefore unable to be proven in its existence using current methods and technologies

 

The Cosmic Web

The Cosmic Web is a scientific approximation of what the universe may look like at the largest scales, with massive clusters of galaxies linked together through vast filaments, with each containing trillions of stars. It would take light nearly 10,000,000,000 (10 billion) years to cross the distance of the Cosmic Web image

 

The Ability of Quantum Theory to Explain the Existence of All Matter

The theory of quantum mechanics is the most accurate and powerful description of the natural world which scientists have at their disposal. Quantum fluctuations are written into the stars as modern day theories explain that as the universe sprang from a vacuum, it expanded very rapidly, which means that the rules of the quantum world, should have contributed to the large scale structure of the entire universe. The universe is shaped by quantum reality, essentially the quantum world inflated many, many times in that nothingness has shaped everything, with this concept now being definitively proven as fact. Quantum physics provides a natural mechanism through quantum fluctuations to see into the early universe with small irregularities that would later grow to create galaxies. The idea that a cluster of gas and dust like the Milky Way Galaxy, a collection of billions of stars, could begin life simply because of small quantum fluctuations, is absolutely mind boggling, as these tiny fluctuations within the vacuum of space were only present upon a submicroscopic scale, yet had the ability to grow into some of the largest objects in the universe. This is possible because the Big Bang produced equal amounts of matter and anti-matter but as the universe cooled down, matter and anti-matter annihilated almost perfectly, but not quite, as every 1,000,000,000 (1 billion) annihilations will lead to 1 particle of matter being left behind and this is what has built the matter of the physical world, everything from stars to the Earth to the smallest life forms and inanimate objects. Everything within the universe which is physical to the touch is simply debris of an enormous collision between matter and anti-matter at the beginning of time

Ancient Roman Emperor Julius Caesar’s Contribution to Time Keeping

The month of July is a derivation of the name, “Julius Caesar”. The ancient Romans opted to rename “Quintilis”, the original name for July which means “fifth month” in Latin, to “July” after Caesars death because this was the same month that he was born. The Julian calendar, a western calendar used until 1582 when the Gregorian calendar supplanted it, is also attributed to Caesar as the Roman year had only 355 days and required an extra month be added, every 3 years. The ancient Romans repeatedly made the same calculation errors and continually found seasons out of synchronization with the actual calendar date observed. With the help of a few Roman scientists, Caesar removed the pre-Etruscan 10 month solar calendar in favor of the 365 day year calendar named after himself. The Roman calendar started on March 25, but was moved to January 1 with the advent of the Gregorian calendar

The Invention of Star Luminosity Mapping to Measure Immense Distances in Space

Henrietta Leavitt, a brilliant scientist who worked at the Harvard Observatory discovered the true size of the universe because of her ability to objectively measure the true brightness of stars. Leavitt became enamored and fascinated by a type of star referred to as a “cepheid variable” which means a “star which pulses within the night sky”. Leavitt’s revolutionary breakthrough occurred when she realized that the intensity of brightness is precisely linked to how quick or slow at which the star blinks. If 2 points of light blink at the same rate but with different intensities, it would stand to reason that the brighter star is closer to the observer than the dimmer one. This allowed Leavitts to measure the distance to stars which lay far beyond the reaches of parallax distance

Galileo Galilei’s Telescope Design Improvement upon the Dutch Spyglass Design

It had been known since the first spectacles were produced in the middle of the 13th century, that glass was capable of bending light, a property which no other known material of the period could achieve. The Dutch spyglass worked upon this very principal, arranging lenses with careful attention to detail to create a compounding magnification effect. If light hits a plano-convex (pronounced “play-noh”) lens, which is flat upon one side and convex upon the other, the same formation used for those who suffer from hyperopia, rays of light streaming inward are bent toward eachother, eventually meeting and converging at a specific triangular point. Right before this focal point, Galilei improved the original Dutch design by placing his second lens, an ocular lens which is plano-concave, meaning flat upon one side and concave upon the other, the same formation used for those who suffer from myopia. This secondary lens pushes the bent rays of converging light back out again so that they can hit the eye and provide a clear image. The eye focuses this light upon the retina so that the observer can view the image produced by the spyglass. The magnification power of a telescope depends upon the ratio between the focal lengths of the lenses, with these distances marked as F1 for the distance between the front of the spyglass and the plano-concave lens, and F2 from the plano-concave lens toward the back of the spyglass. The largest difficulty impeding Galilei was the grinding down process of his convex lens, in an attempt to make it as shallow as possible to maximize the length of the F1 partition, as the longer the distance is, the greater the magnification will be. Within a few weeks of developing this new technology, Galilei’s first telescope had a clear magnification of 8x, far exceeding the power of the original Dutch spyglass. On August 21, 1609, Galilei climbed a Venice bell tower to meet up with Venetian nobles and senators so that he could display his new technology. This new bleeding edge feat of engineering permitted Venetians to spot sailing ships 2 hours earlier than if they had used the naked eye. 3 days after the event, Galilei gifted his telescope to the Duke of Venice and was afforded a guaranteed job for life in exchange, with this salary equating to double his original income. With his finances secured, Galilei went on to develop and produce even more powerful telescopes

The Mathematics Behind Why Rockets Can Escape The Gravitational Pull of the Earth

Robert Goddard’s liquid rocket never reached the 3 kilometer mark because of Tsiolkovsky’s Rocket Equation named after Soviet scientist Konstantin Tsiolkovsky (pronounced “con-stan-tyin tsel-kov-skee”). This equation states that as fuel increases for faster and further voyages, so too does the weight, becoming increasingly heavy as more and more fuel is added. Tsiolkovsky took into account the velocity of a rocket alongside its mass of payload, mass of fuel, and the mass of the rocket itself. The longer the engine burns, the more velocity the rocket will have, however longer burning means more fuel which adds weight and makes it more difficult to push upwards. To travel fast enough to deliver a rocket to space, most of the craft must be fuel. Scientists have battled with this question for decades and although mathematical constructs have been developed to explain the relationship between weight and thrust, no one has yet to develop an idea to get around this problem with currently available technologies. The equation developed to explain this limitation of space travel is △V^R = V^E x log^e (M^P + M^F + M^R / M^P + M^R). This effectively states that only a tiny portion of a rocket can be used to deliver payload, with notable cases being the Apollo missions which employed enormous rockets to carry just a few small astronauts and the things they needed into space. Tsiolkovsky theorized this in the beginning of the 20th century as his calculations demonstrated that kerosine wouldn’t be enough to go from the Earth to the moon with a single craft

The Etymology of “Matter Plasma” and “Blood Plasma”

The term “plasma” is derived from the ancient Greek term “plassein” which means to “shape or mold something”. Plasma related to physics, specifically matter which has had its electrons separated from the rest of its atoms, forcing it to become an ion, more specifically a mixture of free floating electrons and ions, was first identified by British chemist and physicist Sir William Crookes in 1879 using cathode ray tubes. Crookes referred to this discovery initially as “radiant matter” but it became known as “plasma” in 1928 because of American chemist Irving Langmuir. Langmuir was exploring ionized gases, gases which were subjected to strong electrical fields to remove electrons from their orbital shells. Langmuir used the analogy of blood to explain this phenomena, with the ions representative of corpuscles and the remaining gas thought of as clear liquid. Blood is similar to plasma in that it is primarily comprised of 2 components which include its clear liquid and the corpuscles/cells entrapped within this fluid. This clear liquid was named “plasma” by Czech physiologist Johannes Purkinje In 1927. The definition of matter plasma and blood plasma however have absolutely nothing to do with eachother physically, aside from the fact that two different scientists had the idea to use the same term at approximately the same time. It is believed that these two scientists based their name upon the ancient Greek definition of the term “plasma”

The Advent of Parallax Distance to Measure Immense Distances in Space

Hubble-Telescope-stars

Stellar parallax is a measurement technique developed by Friedrich Bessel to measure far away objects in deep space. The process of stellar parallax involves measuring an object from two separate vantage points hinging upon the fact that the object being observed will appear to move a lot more than objects further behind it (e.g. if an observer closes one eye and views their finger in front of a building, and then repeats this act with their second eye closed and the first eye open, the observers finger will appear as though it has moved much further left or right, relative to the other objects behind it). Because Bessel developed a method of calculation to take advantage of this phenomena, astronomers now have the ability to map grand distances with relative accuracy. Bessel worked out that if an observer took an image of a star when the Earth was at either side of its orbit around the sun, it would be possible to observe the star shifting in its position. By knowing how much a star shifts, it is possible to calculate the distance the star is from its observation point on Earth. Bessel surmised that the relatively close star 61 Cygni must be 100,000,000,000,000 (100 trillion) kilometers away from the Earth because of his parallax distance method. This technique unfortunately is severely limited as the diameter of the Earth’s orbit is only 300,000,000 (300 million) kilometers which means that the parallax method can only measure objects up to a factor of 1,000,000x (1 million) the Earths orbital rotation, allowing for a maximum distance of 300,000,000,000,000 (300 trillion) kilometers which is only a tiny fraction of the size of the Milky Way Galaxy or the universe as a whole

The End of the Universe and the Big Crunch Theory

big-crunch

The likelihood of a Big Crunch in which the universe expands to the point that it then collapses inward upon itself is not very probable as mathematical calculations demonstrate that there simply isn’t enough mass in the entire universe to be able to revert into into an enormous compaction. The idea of the universe folding in upon itself can be visualized by imagining a person throwing a ball in the air. The Earth has enough mass to bring a thrown ball back down to the ground but if thrown faster than the speed of escape velocity which is 11.186 kilometers per second, a thrown ball would never come back down, in fact, it would travel an infinite distance over an infinite timespan before the Earth mathematically had enough time and mass to pull the ball back to its starting position. The universe is represented by the Earth in that it acts as a force upon other objects and the ball represents all matter throughout the universe in this thought experiment