Tag Archives: orbit

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

Posted in Astronomy, Physics | Tagged , , , , , , , , , , , , , , , , | 14 Comments

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

Posted in Astronomy, Physics | Tagged , , , , , , , , , , , , , , , | 4 Comments

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

Posted in Astronomy | Tagged , , , , , , , , , , , , , , | 10 Comments

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

Posted in Astronomy | Tagged , , , , , , , , , , , , , , , | 2 Comments

The Eclipse Seasons

There can be no doubt that solar and lunar eclipses are some of the most fascinating sights for the “naked” eye. (And I say “naked” under the assumption that you know never to look directly at the sun without approved protection!) … Continue reading

Posted in Astronomy | Tagged , , , , , , , , , , , , , , , , | 6 Comments

Lunar Phases and Motion

The lunar phases…who really understands ’em? We see them all the time. When we look up at the moon in the sky, we’re bound to notice that it looks just a little bit different from the last time we saw … Continue reading

Posted in Astronomy | Tagged , , , , , , , , , , , , , | Leave a comment

Orbit and Climate

You have probably all heard of ice ages. And no, I don’t mean the Ice Age movies… Although, Ice Age is actually a pretty good example of what happens during a real-life ice age. I haven’t seen enough of the movies to … Continue reading

Posted in Astronomy, Climatology | Tagged , , , , , , , , , , , , | Leave a comment