2012

[T-Boo]

How could that happen?

dunno, it's a scientific theory, learnt it from biology class  :cool:

[Mr. Krystal]

AACK!!

I think the world will end like it says in the Bible: the world will envelope in a sea of lava, and all of God's followers will go with him to heaven, while the other people die in the lava, and go to brutally bloody hell for all of ETERNITY!!!!!!! D:<

ROFL, that's Fantasia!

[Four-eyed Vulpine]

The universe cant just disappear. You know how big it is? There's probably 7172386357234411083502729823789237762992378376252158356128619028302726474562912028261291278298716128362383638761826812678262872827263837273782738837782719010108692362947820278202823027117474719738941238974978162878127929

Galaxies in the universe, and you know how long it would take to travel to each galaxy? 57-billion years, at the speed of light! That's the fastest possible speed, and it STILL would take 57-billion years! Just think of how long it would take to get to a galaxy at a normal speed. Pretty long!

Actually, you might want to pick a smaller number.  Assuming the known universe is a cube, and the farthest we've detected is about 13 billion light years out, the known universe has a volume of about 1.7576 x 10³¹ cubic light years.  So, with that number of galaxies, what is the galactic density?

According to my calculations, about 4.1 x 10¹⁸⁸ galaxies per cubic light year.  And just the Milky Way galaxy is about 100,000 light years across.

Oh, and one other thing.  Let's calculate the time it would take to visit all the galaxies in the known universe with the following parameters:

1.  The known universe is a cube with sides of 26 billion light years. (to simplify calculations)

2.  All galaxies are in a cubic grid pattern and are spaced by a million light years.

3.  You are traveling at the speed of light, so one light year equals one year of time.

4.  You travel all the way down one row of galaxies to the end of the known universe, turn around and go down the next row back to the other end, turn around and repeat until all galaxies are covered.

So, let's first calculate the time it would take to visit a row of galaxies under these parameters.  One side of the cube is 26 billion light years long, and the spacing between galaxies is 1 million light years, so (2.6 x 10¹⁰ / 1.0 x 10⁶) yields 26,000 galaxies per row.  This isn't needed for the time, per se, but we can use this to determine how many galaxies we'll be visiting by cubing the number.  (26,000)³ yields 1.7575 x 10¹³ galaxies, or 17.575 trillion.  For time, we know that one side is 26 billion light years long, so it would take 26 billion years at light speed to travel a row.

Now for a whole layer.  Since we're using a cube with equally distributed galaxies, and since there are 26,000 galaxies in a row, there are 26,000 rows in a layer.  So, multiplying 26,000 by 26 billion years gives us 6.76 x 10¹⁴ years to travel one layer of galaxies, or 676 trillion years.

So, you think that's pretty long, eh?  Well, we've only done one layer.  Since we're using a cube with equally distributed galaxies, and since there are 26,000 rows per layer, there 26,000 layers in the cube.  So, multiplying 26,000 layers by 676 trillion years per layer yields 1.7576 x 10¹⁹, or 17.576 QUINTILLION years to travel to all the galaxies in the known universe.

BUT, we're not done!  We haven't taken into consideration the fact that it takes a million years to turn around between each row. (Since each galaxy is spaced by a million light years.)  At 26,000 rows per layer, you're going to have to turn around 26,000 times (including the last turn to get to the next layer).  And at 26,000 layers in the cube, that's 26,000 x 25,999 + 25,999 turns.  (On the very last row of the very last layer, you don't need to turn around because you've reached the last galaxy, hence the deduction of one turn.)  Carrying out this calculation yields 675,999,999 turns total, but we'll round up to 676 million turns for simplicity.  Now since each turn requires a million years of time, 676 million turns x 1 million years per turn yields an additional 6.76 x 10¹⁴ years of travel time due to switching rows and layers, or 676 trillion years.

Now, for the final calculation.  17.576 quintillion years (traveling down rows) + 676 trillion years (changing rows) = 1.7576676 x 10¹⁹ years total.  This amounts to 17,576,676,000,000,000,000 years to visit every single galaxy in the known universe.

*reads the subject*  Man, have I gotten off topic, or what? :leon:

[Guest krystal08]

just a little bit but its ok!(just for say,the univers can't dissapear or blown up or whatever because its already empty so how could you make somthing empty dissapear?)for the dooms days,as long as i can listen my tunes i thinks i go anywhere!

[Four-eyed Vulpine]

Oops, I made a mistake.  The universe is currently estimated to be 93 billion light years across, not 26 billion.  And the average distance between galaxies is 3 million light years, not 1 million.  Source:  Wikipedia

But no matter!  We can use the same calculations with different numbers.

93 billion light years / 3 million light years between galaxies = 31,000 galaxies per row

93 billion light years per row x 1 year per light year = 93 billion years per row

93 billion years per row x 31,000 rows per layer = 2.883 quadrillion years per layer

2.883 quadrillion years per layer x 31,000 layers in the cube = 89.373 quintillion years of travel

31,000 rows x 31,000 layers = 961 million turns

961 million turns x 3 million light years per turn = 2.883 quadrillion years of turning

89.373 quintillion years of travel + 2.883 quadrillion years of turning = 89.375883 quintillion years of total travel

89,375,883,000,000,000,000 years to visit every single galaxy in the universe at light speed.

But wait, traveling at a normal speed?  Let's say that a normal speed for a spacecraft at our current technological level is around 30,000 miles per hour. 

Conversion of speed

30,000 mph x 1.609344 km per mile x 24 hours per day x 365.25 days per year = 422,935,603.2 km per year

Total distance

9,460,730,472,580.8 km per light year x 89,375,883,000,000,000,000 light years = 8,455,611,398,119,162,888,464,000,000,000,000 km

Total time

8,455,611,398,119,162,888,464,000,000,000,000 km of total distance / 422,935,603.2 km per year = 19,992,668,704,508,731,433,428,776 years

So about 20 SEPTILLION years of travel time to visit every single galaxy at a constant speed of 30,000 miles per hour.

Back on topic again, I hear that the end of the world will come when the entire planet becomes a single nation with a single ruler.

[Rapidfire]

Back on topic again, I hear that the end of the world will come when the entire planet becomes a single nation with a single ruler.

*sighs* Looks like I'll have to put off subjugating the world for a bit. And just when I'd gotten my elite team of flying ninja monkeys ready to strike at all the world capitals simultaneously...

Most of these doom prophets are either stark raving mad or eager for attention, as was said before. Certainly, nobody will win any prizes for accurately predicting the end of the world. The one who lends credence to that kind of banter is probably only shortening his own life with the stress and fear of impending apocalypse plaguing him.

[Guest krystal08]

Back on topic again, I hear that the end of the world will come when the entire planet becomes a single nation with a single ruler.

well if you see it that way,its not going to happen NERVER NEVER NERVER NEVER!the entire planet become a single nation,!,its going to be the most (lol) crapy nation in The world every nation,city,state or whatever you want to call them hate(or just don't like(theire is a rivality between every all of))others nation,city,state or whatever!But i think that if the world is going to be a single nation,it will be at is original form(just one continent(just one all uni(un tous unis)))

i think the more ***** end is to rain as everybody died and as for the people who are on boats,a scorching(if you have a dictionnary just cherch sécheresse or canicule)

[PuffNStuff]

The human race will NEVER unite underneath one single banner until we meet another race of sentient beings.

[Sabre]

The human race will NEVER unite underneath one single banner until we meet another race of sentient beings.

Who want us dead.

[Leon_279]

Who want us dead.

SAAAAAAAAAAAATAAAAAAAAAAAAN wants us dead.

[glow=red,2,300]200th POST!!!![/glow]

:leon:

[Guest krystal08]

the stupidity of people is the key to are death.if the reason of hour death isn't natural,it will probably be a stupidity that'll have BIG CONSECENCES!