Tag: Advent 2012
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Silent Night (Science Advent 23)
(Every day until Christmas, I’ll be posting a science-related image.) Day 23: Christmas Eve Planets produce very little light of their own: we see them primarily through reflected sunlight, and the small amount of emitted infrared light from their internal heat sources. However, our planet emits a little visible light, and we are the cause. […]
Galileo's Pendulum 