Distance Learning Module: Seasons, Equinoxes, and Solstices

This Saturday—June 20, 2020—marks the official beginning of summer in the Northern Hemisphere, with the occurrence of the June solstice. In celebration, we’re focusing this week’s Distance Learning offerings on seasons. Today we’ll revisit a previous lesson about what causes the Earth’s seasons—with bonus content added to focus on the solstices!

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Distance Learning Module Michael Conway Distance Learning Module Michael Conway

Distance Learning Module: What is a Planet?

You may think of outer space as a vast, empty void—but space is full of objects! Both within and beyond the bounds of our solar system, there are countless stars, nebulae, asteroids, comets—and, of course, planets. But what IS a planet, anyway? Why was Pluto “demoted” from a true planet to a dwarf planet, and what makes a planet different from other objects in space?

In this module, we’ll look at the official definition of what makes a planet, and put the current criteria into historical context by reviewing some of the ways that astronomical understanding has evolved throughout history. This content is most appropriate for middle- and high-schoolers, based on reading level.

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