Tag Archives: seasons

Precession of Earth

Posted on January 25, 2016 by sarabkeller

I think one of the most interesting topics in Chapter 2 of the Astronomy textbook is about the concept of precession, or the gradual change in the rotational axis of Earth. The direction of Earth’s axis rotates on a 26,000 year cycle. That may mean next to nothing to us in our lifespan, but precession will gradually […] Continue reading →

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The Great Shift

Posted on January 25, 2016 by alecsolarsystem

The Earth is like the top from Inception. As it spins around at very high speeds it wobbles or “precesses” back and forth as the force of gravity from the Moon and Sun tug it from different directions, but it will never fall over. This movement, although much slower and less noticeable than the Earth’s […] Continue reading →

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#2 – When should I plan my vacation for Mars?

Posted on January 24, 2015 by bryancm1

Looking to explore the northern plains of Mars? Or perhaps the craters in the south? Maybe scale Olympus Mons, or visit the Curiosity Rover? If you’re intending to travel without preparing properly, chances are you’re going to freeze to death. Luckily for you, Mars experiences seasons. With just a little bit of research, we can […] Continue reading →

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Seasons on Earth

Posted on January 26, 2014 by efb28

  Unless you live near the equator, you have experienced how much the temperature outside varies by season (or by day in TN). Many people assume this has something to do with Earth’s orbit being an imperfect circle, but they are wrong. As pictured above, it is actually Earth’s tilt that causes seasons to change; […] Continue reading →

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