A Moment of Science

Posts tagged astronomical observations

April 9, 2007

 

a scaled model of the voyager spacecraft

A Message from Afar

How can scientist know so much about the sun's heliosheath without being able to go there?

January 15, 2007

 

an image of the sun with a sunspot

Backwards Sunspot

What is a backwards sunspot and what does it signify?

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