Five Astronomy and Physics Topics

If you have a scientific bent, here are five links to things that I have found interesting in 2015.

  • A slick dynamic graphical presentation of 685 multi-planet systems close to the solar system. This is a reminder of how common multi-planet and multi-star systems really are.

  • A year’s worth of weather on one dynamic page. (more meteorology than physics or astronomy)

  • The scale of the solar system in model form.

  • How dark is the sky in your part of the world? (An interactive map.)

  • A relativity demonstration.


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