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Tag Archives: astro2110
The farmers’almanac
In elementary school, my library teacher always had the Farmers’ Almanac for the year on her desk. The Farmers’ Almanac has a forecaster who works under the pseudonym Caleb Weatherbee. Weatherbee’s predictions are based on a formula that takes many things into account including the Moon phases. Every fall, my classmates and I looked forward […] Continue reading
Our Speed Limit
(its slower than you think) Many people know that the laws of physics dictate that nothing – and I mean nothing – can travel faster than the speed of light. It is not possible for any object, nor any information, to exceed 299,000,000 meters per second. At first, this seems to be an incredibly high […] Continue reading
Blog 1: Eclipse Chasers
On April 8, 2024, a total solar eclipse will happen in North America. For those in Nashville, a mere 2-3 hour drive will allow viewers to witness it. For some, it is worth the journey to witness this rare occurrence, and for others perhaps not. For a select few, however, it is always worth the […] Continue reading
The expanding universe
Most people understand that the earth moves around the sun and rotates on its axis. However the earth moves more than just around the sun. In fact, our entire actually orbits around the center of the Milky Way at over 500,000 miles per hour. So why don’t we crash into anything? The answer is that […] Continue reading
Blog 1: Asymmetry of the Moon
By looking at the image above, it’s clear to see that the dark splotches we’ve come to associate with our closest cosmic neighbor, the Moon, are only seen on one side! The farside of the moon is much more uniform with a lot more craters than the side we see. This stark difference has puzzled […] Continue reading
Posted in Class, Moons, Observables
Tagged astro2110, blog1, craters, Moon, Solar System
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Introductory Post
By me – this is a photo of my sister and I at our favorite beach in Nantucket Island. This is where I first became fascinated with space; there is little light pollution here and for as far back as I can remember, I have stared at the night sky for hours at a time […] Continue reading
The Speed of Light
In 1905, Albert Einstein took the first crack at the Newtonian foundational physics. In his paper on special relativity, Albert Einstein postulated that the speed of light, c, is constant in all inertial reference frames. Assume that a person on a bicycle is holding a flashlight and moving at a constant speed relative to someone […] Continue reading
Posted in Class, Physics, Science, Universe
Tagged astro2110, astronomy, blog1, relativity, speedoflight
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Blog 1
Imagine if the entire history of the universe could be squeezed into a single calendar year, providing a perspective of how much time has truly passed in this universe. Enter the cosmic calendar, a concept introduced by the astronomer Carl Sagan. Within the cosmic calendar, each month corresponds to over 1 billion years, allowing us […] Continue reading
Posted in Universe
Tagged astro2110, big bang, blog1, cosmic calendar, cosmic perspective, cosmic time, Time, Universe
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The Vast Size and Scale of the Universe
BBC Science Focus The Universe is also used as a reference point to display somethings enormity. “I love you more than anything in the world” is massively trumped by “I love you more than anything in the Universe.” But what does this really mean? How much can the universe really hold? How big is it […] Continue reading
Posted in Observables, Universe
Tagged astro2110, blog1
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Blog 1 – Light Speed
The speed of light is a fascinating topic that has significance from everyday life to the vast expanse of the cosmos. The speed of light is the speed at which light travels through a medium, and for a vacuum, this speed has been defined as 299,792,458 m/s. This speed is almost incomprehensible to us due […] Continue reading