Geo Visitors Map


  Beauty & mystery in science.

Polarized light around a young nebula. Named prior to telescopes that revealed its true shape, the Boomerang Nebula is a very cold place with a temperature of about -459 degrees Fahrenheit or 1 K. Credit: NASA, ESA and The Hubble Heritage Team [STScI/AURA].


  Science tidbit

Wooden boomerang.
Why does a returning boomerang come back?

When most of us think of boomerangs, we imagine somebody throwing a curved stick that eventually turns around and comes right back to the thrower's hand. This device is simply amazing, and a wonderful application of some laws of physics relating to aerodynamic lift and angular momentum.

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