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Joined: Jun 2011
Posts: 17,810 Likes: 3
Wiki Master
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OP
Wiki Master
Joined: Jun 2011
Posts: 17,810 Likes: 3 |
Thought of the day
Someone explained to me yesterday, that the moon, the sun and the earth are the perfect size.If they were any different in size and distance from each other, we wouldn't have total solar or lunar eclipses. That is food for thought!
Have you got a thought of the day?
Humankind has not woven the web of life. We are but one thread within it. Whatever we do to the web, we do to ourselves. All things are bound together. All things connect.
~Chief Seattle
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Joined: Mar 2010
Posts: 3,902
Forum Guardian
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Forum Guardian
Joined: Mar 2010
Posts: 3,902 |
very true and very good granny thank you for sharing
ALWAYS REMEMBER BIG BROTHER IS WATCHING YOU:::::::: Have a nice day and an even better one tomorrow
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Joined: Jan 2011
Posts: 227
Addict
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Addict
Joined: Jan 2011
Posts: 227 |
Hi Granny yes it is amazing and it all goes much, much further.
The moon is the perfect size and distance from the earth to exert gravitational pull that controls the tides. The earth is the perfect distance from the sun to support water and therefore life. Nearer the sun it would be too hot, further away it would be too cold.
For an incredible insight into these things and much, much more watch Brian Cox's amazing series Wonders of the Universe, currently on Sky's Eden channel.
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Joined: Jan 2010
Posts: 704
Veteran
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Veteran
Joined: Jan 2010
Posts: 704 |
Fascinating !!..... So is it feasible that there could be other planets with their own moons and suns in exactly the right position to enable them to sustain life forms ??
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Joined: Jan 2011
Posts: 227
Addict
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Addict
Joined: Jan 2011
Posts: 227 |
Yes it is perfectly feasible and mathematically it is virtually a certainty. Our sun is a star with its own solar system, including the earth and other planets orbiting around it. The latest estimate of the number of stars in the observable universe is approximately 5 times the number of grains of sand on planet earth. These numbers are inconceivable. Have a look at : http://science.kqed.org/quest/2008/11/21/stars-and-sand-grains/
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Joined: Jan 2010
Posts: 704
Veteran
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Veteran
Joined: Jan 2010
Posts: 704 |
Thanks for that....my head now hurts !! haha 
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phlegm
Unregistered
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phlegm
Unregistered
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my Thought for the day...
Love is like peeing your pants everyone can see it but only you can feel it
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Joined: Oct 2007
Posts: 255
Addict
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Addict
Joined: Oct 2007
Posts: 255 |
my thought for the day...
how deep would oceans be if they didnt have sponges in them?
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markw2621
Unregistered
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markw2621
Unregistered
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thought of the day............ the best way to cheer yourself up, is to cheer somebody else up......
nice to see you back granny
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Joined: Nov 2011
Posts: 11
Newbeee
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Newbeee
Joined: Nov 2011
Posts: 11 |
A light year is the distance between us and the sun and not a unit of time.
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Joined: May 2011
Posts: 1,131
Forum Addict
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Forum Addict
Joined: May 2011
Posts: 1,131 |
My thought of the day, is what my Dad wrote in my autograph book in 1956 when I was age ten:
'Today is the day we worried about yesterday, and all is well'
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Joined: Mar 2009
Posts: 105
Enthusiast
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Enthusiast
Joined: Mar 2009
Posts: 105 |
A light year is the distance between us and the sun and not a unit of time. You are right that a light year is the distance that light travels in one year. But it only takes 8 minutes for the light from the Sun to reach us. A light year is 186,000 ( the speed of light in 1 second) x 60 x 60 x 24 x 365= 5,865,696,000,000 miles!
Born Not Manufactured
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Joined: Mar 2009
Posts: 2,437
Forum Master
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Forum Master
Joined: Mar 2009
Posts: 2,437 |
My thought of the day,
Its nice to be important but its more important to be nice
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Joined: Nov 2008
Posts: 8,779 Likes: 28
Wiki Veteran
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Wiki Veteran
Joined: Nov 2008
Posts: 8,779 Likes: 28 |
Don't put off until tomorrow, what you can do today, if you do it today and like it, you can do it again tomorrow.
God help us,
Come yourself,
Don't send Jesus,
This is no place for children.
Bertieone.
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Posts: 58
Joined: October 2008
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