Why is the sky blue? What makes stars twinkle? The man to ask is Ed Krupp, director of the Griffith Observatory since 1976. In a city where night-sky gazers can't even see the stars, Krupp runs the ...
This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. Griffith Observatory will host a live online ...
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