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The Big Bang Model

The Big Bang Model is a broadly accepted theory for the origin and evolution of our universe. It postulates that 12 to 14 billion years ago, the portion of the universe we can see today was only a few ...
Golf Ball
Why Does A Golf Ball Have Dimples?

A golf ball can be driven great distances down the fairway. How is this possible? The answer to this question can be found by looking at the aerodynamic drag on a sphere without dimples (while it's fl ...
Artist Depiction of the Stardust spacecraft
Mission: Gather Comet Dust; Return To Earth

One of the most imaginative NASA missions of recent years is the Stardust mission. Its main purpose: to gather dust and particles from comet P/Wild 2 and return them to Earth for study. Think about th ...

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