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Topic: a neutron star...< Next Oldest | Next Newest >
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CatKnight Search for posts by this member.
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PostIcon Posted on: Feb. 21 2001,19:51  Skip to the next post in this topic. Ignore posts   QUOTE
...produces a gravitational pull so powerful that a marshmallow striking the star's surface would hit with the force of a thousand hydrogen bombs. just thought you should know.
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PostIcon Posted on: Feb. 21 2001,20:38 Skip to the previous post in this topic. Skip to the next post in this topic. Ignore posts   QUOTE
With its acceleration starting from what point? Makes quite a difference, as I'm sure you understand.

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Dark Knight Bob Search for posts by this member.
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PostIcon Posted on: Feb. 21 2001,21:11 Skip to the previous post in this topic. Skip to the next post in this topic. Ignore posts   QUOTE
i've got an idea that a neutron star is the largest known atom there is? why?

well if an atom is basically made up of protons and neutrons fused together usually you cant get much past 300 until they get too unstable to exist long enuff but a neutron star uses the sheer gravitaional force to hold them together cos they are literally just below the neutron repulsion limit (otherwise it'd be a blackhole) so there you have it my theory that a neutron star is the biggest atom possible

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PostIcon Posted on: Feb. 21 2001,22:03 Skip to the previous post in this topic. Skip to the next post in this topic. Ignore posts   QUOTE
i think u need protons to have atoms. neutron stars are just a bunch of neutrons.
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PostIcon Posted on: Feb. 22 2001,02:10 Skip to the previous post in this topic. Skip to the next post in this topic. Ignore posts   QUOTE
Added to which you need orbitals of electrons. In a neutron star all the orbitals of electrons are degenerate, ie, squashed up and not really orbiting.

ALL YOUR ELECTRONS ARE BELONG TO US

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PostIcon Posted on: Feb. 22 2001,02:17 Skip to the previous post in this topic. Skip to the next post in this topic. Ignore posts   QUOTE
a neutron star is also incredibly dense. They are only about 10 km in diametre (radius?). A matchbox full of neutron star would way several tonnes

A point to ponder, if the Earth was squished done to a 25 mm diametre sphere (thats an inch for all you Americans...), then you'd get a black hole. (Thats a first order calculaion BTW)

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PostIcon Posted on: Feb. 22 2001,18:30 Skip to the previous post in this topic. Skip to the next post in this topic. Ignore posts   QUOTE
quote:
Originally posted by masher:
A point to ponder, if the Earth was squished done to a 25 mm diametre sphere (thats an inch for all you Americans...), then you'd get a black hole. (Thats a first order calculaion BTW)

This is from Hawking's "A brief history of time"..

the physicist John Wheeler once calculated that if one took all the heavy water in all the oceans of the world, one could build a hydrogen bomb that would compress matter at the center so much that a black hole would be created. (Of course, there would be no one left to observe it!)


damn we're smooth

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Dark Knight Bob Search for posts by this member.
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PostIcon Posted on: Feb. 22 2001,21:42 Skip to the previous post in this topic. Skip to the next post in this topic. Ignore posts   QUOTE
erm its called a neutron star cos its the neutron repulsion keeping the star from collapsing. and it would only need one proton to constitute as an atom. and what are neutrons made up from boys and girls? thats right a proton and an electron so surely theres a proton in there somewhere
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CatKnight Search for posts by this member.
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PostIcon Posted on: Feb. 22 2001,23:08 Skip to the previous post in this topic. Skip to the next post in this topic. Ignore posts   QUOTE
um you are a little confused. neutron stars are pure neutrons. neutrons and protons are different particles. neutrons are composed of 1 up and 2 down quarks, while protons are composed of 2 up and 1 down quark. an electron can collide with a proton to create a neutron + neutrino, but they aren't the same thing.
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askheaves Search for posts by this member.
Ack!!!
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PostIcon Posted on: Feb. 22 2001,23:14 Skip to the previous post in this topic.  Ignore posts   QUOTE
Catknight. How do you think you get an up quark (+2/3 charge)to become a down quark (with a -1/3 charge) ? Add one electron. Suddenly, your 2U1D Proton to become a 1U2D Neutron? Convert one Up to a Down. The quickest way to do that? Add an electron... a Neutrino is let free. This is reversible.

My physics is rusty, but the idea is there.

Edit: I all messed up that mofo.

This message has been edited by askheaves on February 23, 2001 at 06:15 PM

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