MadSci Network: Astronomy
Query:

Subject: 1.comet Halley's cycle is 75 years.Are there any factors to shorten or

Date: Sun Mar 4 14:24:04 2001
Posted by EUN HYE
Grade level: School: God' bible college
City: Cincinnati State/Province: No state entered. Country: No country entered.
Area of science: Astronomy
ID: 983733844.As
Message:

lengthen the cycle?
2. What is Halley's track?
3. Why isn't there any air in the cosmos?


Re: 1.comet Halley's cycle is 75 years.Are there any factors to shorten or

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