How many stars ?

"John-James-Connellan" wrote in message
...
Is there a reference in the Bible or Koran or other holy book about this?

what do fairytales have to do with a fact?

Lurch

"John-James-Connellan" wrote in message
...
Is there a reference in the Bible or Koran or other holy book about this?

what do fairytales have to do with a fact?

Lurch

"Andy" wrote in message . ..
"Victor" wrote in message ...


not heard of that one but "there are more neurons in our brain than there
are stars in the universe"

I don't think that's correct. It is estimated that there are as many
galaxies in the universe as there are stars in a galaxy. A galaxy has
about 10^12 stars and so the universe has about 10^24 stars. If we
assume a neuron is about one micron across, 10^24 neurons would occupy
a cube 10^8 microns on a side, that's a cube 100 meters on a side.
I've been accused of having a big head, but not a cube 100 meters on a
side. :-) Hmmm... I've also been called a blockhead but I think that
was for another reason.

I think the it is the number of connections between neurons, the
synapses, that is the truly astronomical number.

"Andy" wrote in message . ..
"Victor" wrote in message ...


not heard of that one but "there are more neurons in our brain than there
are stars in the universe"

I don't think that's correct. It is estimated that there are as many
galaxies in the universe as there are stars in a galaxy. A galaxy has
about 10^12 stars and so the universe has about 10^24 stars. If we
assume a neuron is about one micron across, 10^24 neurons would occupy
a cube 10^8 microns on a side, that's a cube 100 meters on a side.
I've been accused of having a big head, but not a cube 100 meters on a
side. :-) Hmmm... I've also been called a blockhead but I think that
was for another reason.

I think the it is the number of connections between neurons, the
synapses, that is the truly astronomical number.

"Andy" wrote in message
...

"Victor" wrote in message ...
Rob Foulkes wrote:

Is it true that there are more stars than there are grains of sand on
all the worlds beaches ?

And I thought there are MORE GALAXIES in the universe than sand grains
on earth's beaches.


not heard of that one but "there are more neurons in our brain than there
are stars in the universe"

This cannot be true.

"Andy" wrote in message
...

"Victor" wrote in message ...
Rob Foulkes wrote:

Is it true that there are more stars than there are grains of sand on
all the worlds beaches ?

And I thought there are MORE GALAXIES in the universe than sand grains
on earth's beaches.


not heard of that one but "there are more neurons in our brain than there
are stars in the universe"

This cannot be true.

Thank you for all your postings so far, but still no definitive
answer. What reference material is available to point me in the right
direction ? (I'm not a scientist/boffin anymore but a longhaul pilot.
I once saw a UFO over Hungary - turns out quite a few of my pilot
buddies have seen unexplainable objects in the sky too. However, thats
all beside the point.)

Thank you for all your postings so far, but still no definitive
answer. What reference material is available to point me in the right
direction ? (I'm not a scientist/boffin anymore but a longhaul pilot.
I once saw a UFO over Hungary - turns out quite a few of my pilot
buddies have seen unexplainable objects in the sky too. However, thats
all beside the point.)

(Rob Foulkes) wrote in message om...
Thank you for all your postings so far, but still no definitive
answer. What reference material is available to point me in the right
direction ? (I'm not a scientist/boffin anymore but a longhaul pilot.
I once saw a UFO over Hungary - turns out quite a few of my pilot
buddies have seen unexplainable objects in the sky too. However, thats
all beside the point.)

Since we don't have an exact number for either the stars or grains of
sand, there isn't a "definitive" answer. Message 9 in this thread had
a link to an excellent article with probably the closest we'll get to
definitive. Here's the link:

http://astronomy.swin.edu.au/staff/g.../billions.html

(Rob Foulkes) wrote in message om...
Thank you for all your postings so far, but still no definitive
answer. What reference material is available to point me in the right
direction ? (I'm not a scientist/boffin anymore but a longhaul pilot.
I once saw a UFO over Hungary - turns out quite a few of my pilot
buddies have seen unexplainable objects in the sky too. However, thats
all beside the point.)

Since we don't have an exact number for either the stars or grains of
sand, there isn't a "definitive" answer. Message 9 in this thread had
a link to an excellent article with probably the closest we'll get to
definitive. Here's the link:

http://astronomy.swin.edu.au/staff/g.../billions.html