Discussion Board

Topic: Research Question

From: Frank Boyle
Location: United States
Date: 10/12/2007

Mr. Bear;

This is a simple writing question on research. I'm currently writing a science fiction book and need to find out where or who to find some information on the following.
If half of the moon was destroyed, what would be the effects felt on earth? With only half of a moon, how big would the debris field be around the earth? Thank you for any and all insight you can give me on this subject, it will be deeply appreciated.

Re: Research Question

From: Greg Bear
Date: 10/12/2007

Interesting question, Frank! Maybe some of our readers can chime in with ideas. I assume much of the debris stays in orbit, and very likely a lot of it will hit the Earth, so it doesn't sound like a pleasant situation.

Re: Research Question

From: Terran
Location: Winter Park, FL
Date: 10/16/2007

I don't have an answer for that, but in doing a quick search I ran across this fun article on Leonid meteor showers on the moon that I thought some readers might enjoy: http://science.nasa.gov/headlines/y2001/ast30nov_1.htm">http://science.nasa.gov/headlines/y2001/ast30nov_1.htm

Re: Research Question

From: Greg Bear
Date: 10/16/2007

Imagine meteorites the size of Greenland!

How did you get half the moon?

From: Adam Crowl
Location: Brisbane, Australia
Date: 10/17/2007

Hi Frank

How do you get half a moon without destroying the whole lot? Which half is destroyed? Outer crust, leaving the core? Or one side? Knowing these things would make guessing what the debris would do a bit easier to model.

researh question

From: arvind mishra
Location: Varanasi
Date: 10/21/2007

Could the debris form a multi layered ring like structure similar to that which surrounds the Saturn? But it could initiate some sort of perennial darkness akin to nuclear winter on earth .One thing is certain all low and high tides of the sea would be almost gone!On funny side there would be dearth of lunatic personalities on earth .Some biorhythms of animals like grunion fishes might also be disturbed.
Ancient Hindu scripture Rigveda says that moon is derived from the Gigantic Man's [VISWE DEVAH]mind -Chandrama[Moon] Manaso[mind]jatah[born],if we give some credence to observational knowledge it could also be said that the destruction of moon may also effect man's psyche.

Re: Research Question

From: Frank Boyle
Location: United States
Date: 10/21/2007

From: Adam Crowl
Location: Brisbane, Australia
Date: 10/17/2007

Hi Frank

How do you get half a moon without destroying the whole lot? Which half is destroyed? Outer crust, leaving the core? Or one side? Knowing these things would make guessing what the debris would do a bit easier to model.

Mr. Crowl,

What I am trying to basically find out is if the moon was split in 2 as from an explosion,leaving only half of a moon. What would be the effect felt on earth. Also roughly how much of the debris field would stay in orbit and how much would stike the earth?

researh question

From: Greg Bear
Date: 10/22/2007

A lot of plants and animals plan their reproductive cycles by the tides and even by moonlight. Would be quite a shock--if any survived!

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