Tag Archives: Earth

Einstein: General Relativity

Albert Einstein may have been the genius among physicists, but like all others before his time, he stood on the shoulders of giants. Einstein did not propose that the sun was the center of the solar system; that idea was … Continue reading

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Einstein: Special Relativity

Albert Einstein’s name literally sends shivers down my spine. This is the man who discovered physics as we know it. This is the man who filled in the gaps where even Newton’s laws of motion went wrong and expanded our … Continue reading

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Moving with the Tides

Have you ever been to the beach? If you’re from California like me, then I’m betting you have. If you’re from a place that’s not near an ocean and you’ve never been near the water all your life, then I’ll … Continue reading

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Newton and Gravity

So, the moon stays in orbit around the Earth, right? Yeah, I thought so. But why? The moon’s orbit is not a straight line, which means it’s accelerated motion (using the physics definition, which is absolutely any change in speed or … Continue reading

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Newton’s Laws of Motion

It’s said that Sir Isaac Newton was sitting under an apple tree when an apple fell on his head, and that’s when all his discoveries began. Personally, I doubt that story—just as I doubt that Galileo Galilei ever dropped iron and … Continue reading

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Galileo and Motion

Before Galileo’s time, Aristotle was the god of gravity. Seriously. Before Galileo came along, the question of how gravity worked was answered with another question: “What would Aristotle say?” Obviously, this method was faulty, since Aristotle was actually wrong about … Continue reading

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Galileo and the Telescope

When you hear the name “Galileo Galilei,” what immediately comes to mind? If you thought, “inventor of the telescope,” you’re not alone. I also wouldn’t be surprised if you thought “condemned by the Inquisition for believing the Earth orbited the … Continue reading

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Johannes Kepler and Planetary Motion

Thales and Pythagoras suggested that the natural world could be understood. Aristotle dared to imagine what was beyond the Earth. Plato encouraged thought about the universe, even if he did take astronomy one step forward and two steps backward. Copernicus … Continue reading

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Tycho Brahe, the Observer

It is surprisingly difficult to find a flattering image of Tycho Brahe. Honestly. Do me a favor and do a Google image search for the guy. It’ll come up with all sorts of disfigured images, mostly because his nose got … Continue reading

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The Copernican Revolution

Nicolaus Copernicus lived from 1473-1543, a time when rebellion against the Church was at its height. And unfortunately for the astronomy of the time, it had gotten inextricably tied up with Christian teachings. In that time, heaven and hell weren’t … Continue reading

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