A common answer to a child’s question of “Why do things fall?” is, “Because of gravity.” But knowing the name of something does not mean that we understand it. Originally, “gravity” was simply the built-in tendency of most objects to seek the center of Earth.
Stand on the sidewalk and listen to the sound of a car as it approaches and passes by. You will notice that the pitch of the sound is higher as the car approaches and then becomes lower as it moves away. That change in pitch is the result of the Doppler Effect.
How does it happen? [...]
Download the Clark Planetarium partners with NASA for Flight to the Moon (PDF)
Many of us at Clark Planetarium are excited for the launch of NASA’s LRO/LCROSS unmanned space craft on June 17. Not just because the prospect of returning to the moon to gather in depth data about the moon’s features is interesting, but because our production department has been working closely with NASA on developing a [...]
Wanna impress your sweetheart? Do you love to watch the sunset? This weekend you can add a bonus to that favorite activity on a warm spring weekend night.
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