Tag Archives: math in science

How Orbits Work

Since Aristotle’s time over 2000 years ago, we have accepted that the moon orbits the Earth. We didn’t always know why, and we didn’t always accept this for the right reasons. We used to assume that it happened just because … Continue reading

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From Classical Beginnings

The universe as we know it was born out of chaos. We have a pretty good idea of the scale of our universe and how it began—as an infinitely dense point of matter that blew apart in what we call … Continue reading

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The Saros Cycle

Would it surprise you to hear the solar eclipses repeat? Now, I know we can’t go back in time to see past eclipses, and once the date of an eclipse—say, March 7, 1970—has passed, that date will never come again. … Continue reading

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Magnitude and Intensity

I originally published this post to my now-inactive blog, so if you know me from back when the Old Content Archive was ftlofacts, you’ve read this already. If you know me from Science at Your Doorstep, then read on! It’s … Continue reading

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The Elusive Light Year

Hey everyone! Before you read this post, I just want to take a moment to make you aware of a couple things. First, this is one of my oldest posts and I’m backdating it so it stays that way, but … Continue reading

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