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Test your wits!

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posted on Oct, 10 2008 @ 05:55 PM
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Originally posted by Vanitas

Originally posted by GeneralLee
What man made artifacts can be seen from the moon? Great wall of China

That's one persistent myth... but it's just a myth.
None.


> How many galaxies are visible to the naked eye? one
>

It depends on where you live.
In the desert or in Amazonia, I would imagine at least two or three.
In most parts of the "civilised" world - none (including the Milky way).


Moon:
No human artefacts at all can be seen from the moon with the naked eye.
The idea that the Great Wall is the 'only man made object that can be see from the moon' is all pervasive,but it confuses 'the moon' with space.
'Space' is quite close.It starts about 100km(60 miles) from the earth's surface.From there,many artificial objects are visible:motorways,ships on the sea,railways,cities,fields of crops and even some individual buildings.
However,at an altitude of only a few thousand miles after leaving earth's orbit,no man made objects are visible at all.From the moon-over 400,000 km(some 250,000,miles)away-even continents are barely visible.

Galaxies:
Apparently the answer is four although from where you are sitting you can only see two: and one of those is the Milky way(the one we're in).
Given that there are estimated to be more than 100 billion galxies in the universe,each containing between 10 and 100 billion stars,its a bit disappointing.In total only four galaxies are visibile from earth with the naked eye-In the northern hemisphere its the Milky way and Andromeda(M31) and in the Southern hemisphere you can see the large and small Magellanic Clouds.




[edit on 02/10/08 by karl 12]




posted on Feb, 18 2009 @ 07:13 PM
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Originally posted by mateandbucky06
I have a good question to had to this fun little game.....who was the first president in America?


George Washington ?



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