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Category Archives: Science
The Universe’s Greatest Mystery That Threatens the Fabric of Physics
Wikipedia The foundational aspect of science is that a scientific theory that explains something about the natural world must be repeatedly tested and confirmed. If it cannot apply to every situation that meets the requisite parameters, then it is not a theory. Some information or calibration is missing, and the theory will be refined. Dark […] Continue reading
Posted in Light, Observables, Physics, Science, Universe
Tagged astro2110, blog4, general relativity
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Gravitational Mysteries
by me The idea of gravity, the fundamental force that controls how objects move in the universe, is both intriguing and mysterious. Gravity is a force that pulls objects toward each other; it controls everything from an apple falling from a tree to a planet’s orbit around a star. It’s a force that operates over […] Continue reading
The New Wave
In a groundbreaking discovery, scientists have found evidence of ripples in the fabric of the universe, caused by the movement of colossal black holes. Albert Einstein once hypothesized this phenomenon – gravitational waves. Essentially, these are cosmic tremors that stretch and squeeze space itself. Imagine throwing a stone into a pond and watching the ripples […] Continue reading
Tides
Most people (including my past self) think that tides are only caused by the moon. While the moon does have a big impact on the tides. The sun also plays a big role in the way the tides move. The moon and the sun both have gravitational forces that pull on the Earth and cause […] Continue reading
Kepler’s Laws of Planetary Motion
After meticulously calculating the data that Tycho Brahe collected, Kepler discovered three different laws that described how planets move. Kepler’s First Law – The planets orbit in ellipses, not circles nor epicycles. For majority of history, it was thought that planets orbit through epicycles because the orbit of the planets must be perfect. However, the […] Continue reading
Posted in Class, Exoplanets, Historical, Science
Tagged astro2110, astronomy, blog2, Kepler, NASA, space
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The Banner of Heaven
This term, originally coined in the late nineteenth century, at least with its current connotation, began to speak to me in a unique way in high school. I took a backpacking trip in Northern California, and experienced a dry, warm, cloudless night with no shelter but a mosquito net. The sky was brilliant, and it felt like […] Continue reading
Posted in Class, Historical, Science
Tagged astro2110, astronomy, blog2, Light Pollution, lightpollution, Milky Way, night sky
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Observational Limitation, Scientific Innovation
Our telescopes just keep impressing. There are just so many limitations, on a physics level, that prevent us from observing the Universe around us. Telescopes are hindered by light pollution and atmospheric disturbances on Earth, preventing them from peering into extreme distances. In space itself, obstructions such as gas clouds block our view of more […] Continue reading
A tidal bore worth traveling for
Mont Saint-Michel at high tide Chapter 4 of the textbook explained how the Moon and the Sun affect ocean tides. We learned that the timing and height of tides at a given location depends on its latitude, the orientation of the coastline, and the depth and shape of any channel the tide has to flow […] Continue reading
Blog 2: Tides
Tides represent the ebb and flow of ocean waters, orchestrated by the gravitational influences of both the moon and, to a lesser degree, the sun. As the moon orbits the Earth, its gravitational force interacts with our planet. Despite the moon’s relatively small mass, its gravitational pull, although not immense, varies across the Earth’s surface […] Continue reading
Historical Astronomers in Context
Johhanes Kepler was important to astronomy for many reasons, the major reason was for his 3 laws of planetary motion. One of them was that the planets orbit elliptical around the sun. Another is the square of the orbital period of a planet being proportional to the cube of the semi-major axis of orbit. (Link) […] Continue reading
Posted in Historical, Science
Tagged astro2110, Books, HW3, Kepler, technology
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