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JonnyMcA wrote:

> Hi Kristin,
>
> I think the crux of the article is that matter-matter
> intereactions will act with positive gravity, antimatter
> antimatter interactions would act with positive gravity, but
> that matter-antimatter interactions would have negative gravity
> (or anti-gravity), while all having positive mass.
>
> Antimatter wouldnt repel light though, since light would react
> with anti-matter the same as with normal matter, since it has
> no rest mass.
>
> Also, if you found entire galaxies made completely of
> antimatter, how would you know? I remember reading something
> related to this in a popular science book, of how, if you were
> in communication with an alien race, how you could work out if
> they were made of antimatter, before you met them.
> Unfortunately, i cant remember the discussion, nor which book
> it is, but I shall try and chase it down.
>
> Jonny
>

No idea either.

But theoretically, don't matter and anti-matter destroy each other?



In the spring, at the end of the day, you should smell like earth. ~ Margaret Atwood

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Subject Views Written By Posted
Faster than the speed of light 140 Dr Manjir Samanta-Laughton 06-Apr-11 15:45
Re: Faster than the speed of light 198 Laird Scranton 15-Apr-11 03:10
Re: Faster than the speed of light 138 Karen H Taylor 15-Apr-11 11:18
Re: Faster than the speed of light 95 Laird Scranton 16-Apr-11 05:11
Re: Faster than the speed of light 129 Me 20-Apr-11 00:19
Re: Faster than the speed of light 145 brucenyc1 18-Apr-11 20:50
Re: Faster than the speed of light 113 Dr Manjir Samanta-Laughton 19-Apr-11 22:38
Re: Faster than the speed of light 108 Laird Scranton 20-Apr-11 05:14
Re: Faster than the speed of light 137 Me 20-Apr-11 00:23
Re: Faster than the speed of light 204 Aine 20-Apr-11 01:06
Re: Faster than the speed of light 169 JonnyMcA 20-Apr-11 18:55
Re: Faster than the speed of light 115 Aine 21-Apr-11 13:33
Re: Faster than the speed of light 151 JonnyMcA 21-Apr-11 22:19
Re: Faster than the speed of light 101 Aine 25-Apr-11 13:37
Re: Faster than the speed of light 141 JonnyMcA 25-Apr-11 21:01
Re: Faster than the speed of light 214 Aine 27-Apr-11 16:03
Re: Faster than the speed of light 126 Me 05-May-11 00:48
Re: Faster than the speed of light 128 Laird Scranton 20-Apr-11 05:19
Re: Faster than the speed of light 163 Me 20-Apr-11 19:19
Re: Faster than the speed of light 152 Laird Scranton 21-Apr-11 15:58
Re: Faster than the speed of light 187 Absinthujone 27-Apr-11 15:21
Re: Faster than the speed of light 157 JonnyMcA 20-Apr-11 18:52
Re: Faster than the speed of light 138 Me 20-Apr-11 19:15
Re: Faster than the speed of light 146 NetWorkAngel 21-Apr-11 17:09
Re: Faster than the speed of light 194 Absinthujone 27-Apr-11 15:12
Re: Faster than the speed of light 96 Dr Manjir Samanta-Laughton 30-Apr-11 09:10
Re: Faster than the speed of light 138 Me 05-May-11 00:41
Re: Faster than the speed of light 139 JonnyMcA 05-May-11 10:04
Re: Faster than the speed of light 123 Me 06-May-11 19:40


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