A Moment of Science

Posts tagged tycho brahe

December 6, 2010

 

Comet with a blue tint

Tycho Brahe: Comet Investigator

How can you tell how far away stars, planets, and comets are without modern instruments?

March 31, 2005

 

How Far?

For a long time people have been fascinated by comets passing by the earth. How close are they? Learn more on this Moment of Science.

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