On Sep 12, 6:46 am, funkenstein
gmail.com> wrote:> On Sep 11, 8:23 pm, Sanny
hotmail.com> wrote:
>
>
>>> I heard in our Universe there is Matter & anti Matter.
>
>> Then there is Dark Matter.
>
>> Are Dark Matter and Anti Matter seen by Scientist?
>
>> Whare are they made of do they have neutrons/ protons/ electrons?
>
>> If not are they too made of Quarks?
>
>> Is Dark Matter and Anti-Matter simmilar?
>
>> Will Dark Matter and Matter Collide give out energy?
>
>> Will Anti-Matter and Matter Collide will give out energy?
>
>> Do Dark Matter has mass and gravity?
>
>> Do Anti-Matter has mass and gravity?
>
>> Bye
>> Sanny
>
>
> Positrons (anti-electrons) are hitting you right now from cosmic ray
> showers. In high energy cosmic rays, the ratio of observed
> antiprotons to protons approaches unity. However, there is no
> observation of macroscopic anti-matter, nothing bigger than a single
> anti-hydrogen atom as far as I know.
>
> Hannes Alven speculated the nearest star could be made of anti-matter,
> and we would have no way to know. The strongest evidence against this
> is that not a single anti-helium cosmic ray has ever been detected,
> but even the lower limits there aren't that low on a cosmic scale.
> Hopefully the AMS (Alpha Magnetic Spectrometer) will finally be flown
> to push that lower limit even further down or detect that one golden
> antihelium particle.
>
> They (antimatter) have mass and respond to gravity, but their active
> gravitational potential (ability to attract other matter) has never
> been measured.
>
> Cheers
Don't go near it if it is made of anti-matter. ye canna mix matter wi
anti-matter captain.
