A Moment of Science

Posts tagged matter

September 9, 2011

 

solar system model

A Really Big Lump: How Gravity Created The Solar System

Learn about gravity, stars, and really big lumps on this Moment of Science.

February 11, 2009

 

High up in atmosphere

Interstellar Dust Bunnies

Beyond our atmosphere flies a lot of debris. Some fragments can be larger than mountains, but most is space-dust.

November 23, 2005

 

Falling Down

Here’s a physics classic. Suppose you drop a golf ball and a bowling ball from the Empire State Building. Which hits first? Answer? They hit at the same time. Learn more on this Moment of Science.

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