# If the Milkyways stars were grains of sand….

#### 4pickupguy

##### Doctor of Teleocity
There are an estimated 400,000,000,000 stars in the Milkyway.

There are approximately 2,534,400 grains of sand in a gallon.

An average residential swimming pool is 25,000 gallons.

It would take a little over six swimming pools to hold a Milkyway worth of sand/stars. (157828.28 gallons)

The Milkyway is a disk with a diameter of 100,000 light years and a thickness of 1000 light years. This is approximately the ratio of a compact disc (remember those?)

The average distance between stars (as grains of sand) is 6 miles……. Representing an average of 4 light years between stars…….. Let that sink in.

Now, imagine even as grains of sand, how big an object our galaxie is……

That’s 1500 miles thick and 150,000 miles in diameter. IN GRAINS OF SAND!!!!

Andromeda has a TRILLION stars!!!

Discuss.

#### trev333

##### Telefied
is there anybody out there?...

#### Deeve

##### Poster Extraordinaire
Silver Supporter
Somebody is out there.
And their response?
"Send more Chuck Berry..."

##### Tele Axpert
There are an estimated 400,000,000,000 stars in the Milkyway.

There are approximately 2,534,400 grains of sand in a gallon.

An average residential swimming pool is 25,000 gallons.

It would take a little over six swimming pools to hold a Milkyway worth of sand/stars. (157828.28 gallons)

The Milkyway is a disk with a diameter of 100,000 light years and a thickness of 1000 light years. This is approximately the ratio of a compact disc (remember those?)

The average distance between stars (as grains of sand) is 6 miles……. Representing an average of 4 light years between stars…….. Let that sink in.

Now, imagine even as grains of sand, how big an object our galaxie is……

That’s 1500 miles thick and 150,000 miles in diameter. IN GRAINS OF SAND!!!!

Andromeda has a TRILLION stars!!!

Discuss.

View attachment 987146
So, do we have a plethora of stars Guapo?

#### ce24

##### Poster Extraordinaire
The Space shuttle the size of a small gym has to travel at 30,000 ft per sec. To escape earth…that is 10x the muzzle velocity of 30 cal. Rifle……let that sink in.

#### Mouth

##### Tele-Afflicted
It would be a lonely place without people to talk to.

This is a fun one:

##### Tele Axpert
Another fun fact. There are more atoms in a grain of sand than grains of sand on earth.
Oh yeah, I suppose you counted 'em?

Silver Supporter
wow

#### dogmeat

##### Friend of Leo's
and the sum distance approaches infinity in an asymptotic line, do the math

#### Texicaster

##### Friend of Leo's
Oh yea……so…..try this on for size!

If the Earth were a grain of sand, then how big would the rest of the universe be in comparison?
Let’s make earth be a largish grain of sand, about 1.27 mm in diameter. This gives us a scale of 10^10 or ten billion to one. Fairly easy to make calculations this way.
All in this scale:
1. Distance to the moon: 40 mm, about 1.6 inches
2. Distance to the sun (1 AU): 15 meters or about 50 feet.
3. Distance to Jupiter: 78 m.
4. Distance to Pluto: 600 m.
5. One light year (9.5 trillion km): 950 km. BTW, this means light moves at 0.03 m/s.
6. Distance to nearest star (4.22 LY): 4000 km.
7. Distance to galactic center (26,000 LY): 25 million km.
8. Distance to Andromeda galaxy (2.54 million LY): 2.4 billion km (but at this scale, still within our real-world solar system).
9. Distance to the center of our Virgo supercluster (about 65 million LY): 60 billion km (deep in the Oort Cloud, in the real universe). There are probably 10 million superclusters in the observable universe, so we are still a big step away from the size!
10. Distance to the edge of the observable universe (94 billion LY): 90 trillion km, almost 10 LY in the real universe.
So scaling the earth to a grain of sand, Pluto is a 10 minute walk, local stars are a plane flight away, our local group of galaxies fits in the solar system, but the edge of the universe is way past the nearest star! A freaking big place!

#### boneyguy

##### Doctor of Teleocity
And that's just stars...not counting all the planets surrounding those suns and the moons and various other celestial objects of each of those solar systems. AND that's just our Milky Way galaxy!! And there is likely to be somewhere in the realm of 200 billion galaxies in the universe (best guess at this point)!! That's a lot of stuff out there!!

#### jimmywrangles

##### Tele-Holic
A good time for a quote from the Hitchikers guide to the galaxy.
“Space,” it says, “is big. Really big. You just won’t believe how vastly hugely mindboggingly big it is. I mean you may think it’s a long way down the road to the chemist, but that’s just peanuts to space."

#### 3fngrs

##### Poster Extraordinaire
A good time for a quote from the Hitchikers guide to the galaxy.
“Space,” it says, “is big. Really big. You just won’t believe how vastly hugely mindboggingly big it is. I mean you may think it’s a long way down the road to the chemist, but that’s just peanuts to space."
I'm going to have to read those books again before I die. Haven't read them since the'80s.

#### Wrighty

##### Poster Extraordinaire
There are an estimated 400,000,000,000 stars in the Milkyway.

There are approximately 2,534,400 grains of sand in a gallon.

An average residential swimming pool is 25,000 gallons.

It would take a little over six swimming pools to hold a Milkyway worth of sand/stars. (157828.28 gallons)

The Milkyway is a disk with a diameter of 100,000 light years and a thickness of 1000 light years. This is approximately the ratio of a compact disc (remember those?)

The average distance between stars (as grains of sand) is 6 miles……. Representing an average of 4 light years between stars…….. Let that sink in.

Now, imagine even as grains of sand, how big an object our galaxie is……

That’s 1500 miles thick and 150,000 miles in diameter. IN GRAINS OF SAND!!!!

Andromeda has a TRILLION stars!!!

Discuss.

View attachment 987146
My boggler just cut in big time!

#### Wrighty

##### Poster Extraordinaire
Oh yeah, I suppose you counted 'em?
No, he’s counting them, present tense!

#### 985plowboy

##### Poster Extraordinaire
I like stuff like this.
I read Stephen Hawking’s books often.
I understand and comprehend very little of it.
But man does it ever help me nod off and go to sleep.
Like in a good way.

#### Wrighty

##### Poster Extraordinaire
Oh yea……so…..try this on for size!

If the Earth were a grain of sand, then how big would the rest of the universe be in comparison?
Let’s make earth be a largish grain of sand, about 1.27 mm in diameter. This gives us a scale of 10^10 or ten billion to one. Fairly easy to make calculations this way.
All in this scale:
1. Distance to the moon: 40 mm, about 1.6 inches
2. Distance to the sun (1 AU): 15 meters or about 50 feet.
3. Distance to Jupiter: 78 m.
4. Distance to Pluto: 600 m.
5. One light year (9.5 trillion km): 950 km. BTW, this means light moves at 0.03 m/s.
6. Distance to nearest star (4.22 LY): 4000 km.
7. Distance to galactic center (26,000 LY): 25 million km.
8. Distance to Andromeda galaxy (2.54 million LY): 2.4 billion km (but at this scale, still within our real-world solar system).
9. Distance to the center of our Virgo supercluster (about 65 million LY): 60 billion km (deep in the Oort Cloud, in the real universe). There are probably 10 million superclusters in the observable universe, so we are still a big step away from the size!
10. Distance to the edge of the observable universe (94 billion LY): 90 trillion km, almost 10 LY in the real universe.
So scaling the earth to a grain of sand, Pluto is a 10 minute walk, local stars are a plane flight away, our local group of galaxies fits in the solar system, but the edge of the universe is way past the nearest star! A freaking big place!
So, what’s at the end of space? Two theories I’ve heard are it doesn’t end, ever and it’s curved in on itself so that you would eventually finish where you started. Also, if, in the ‘it doesn’t end hypothesis, presumably the outer reaches are filled with nothing, zilch, nowt, a true vacuum. If we send electromagnetic waves through it, is it still a perfect vacuum, or has it then got something in it?

#### Wrighty

##### Poster Extraordinaire
And that's just stars...not counting all the planets surrounding those suns and the moons and various other celestial objects of each of those solar systems. AND that's just our Milky Way galaxy!! And there is likely to be somewhere in the realm of 200 billion galaxies in the universe (best guess at this point)!! That's a lot of stuff out there!!
And it all weighs a lot more than it should. Dark matter is heavy. Therefore, a LP is made up of dark matter. I’m going for a lie down now……….