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

Plasma ball.
Plasma Ball Physics

A plasma ball is fun, but plasmas are an important part of our physical universe. From lightning to stars to the Northern Lights, plasmas are all around us.

Read about the basics of plasmas.

Delivery Addresses

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Where multiple shippers are available, the customer chooses the delivery service. Approximate shipping costs are shown prior to the completion of payment.