Carl Sagan - The Heart of Science
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Lets make sure that each of us who have read or listened to Carl Sagan, carry his ideals in our hearts and try our best to allways act according to them.
peace
3 years ago 44
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Religion is a plague on this world.
2 years ago 28
All Comments (33)
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@bishop8000 Me too sometimes... and always goosebumps.
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@pab7984 A very good question. The main way that they knew, was that 7 specific points of light in the night sky were very different from the fixed stars because they moved through the heavens as the days and weeks passed. So, they were named "planets" after the Greek word meaning "wanderers". By the 17th century it had already been worked out that either those planets and the sun were orbiting earth, or we were all orbiting the sun, and that's why planets appeared to move.
1 year ago 2
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How did these 17th century astronomers identify our solar system out of all the other stars in the sky? I'm sure it's a stupid question. But when I look up into the night sky I cant really differentiate which 8 tiny lights make up our solar system. How did they figure it out?
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Watch 'the sunset of the state' watch?v=sLCEXtpTNYU
It shows that a similar situation as with the religion vs science conflict is still happening with the state vs morality conflict.
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With its central message, clever editing, and stirring music, the part from 5:55 until the end of this clip is for me one of the most moving segments of Cosmos, itself the most moving and life-altering documentary series that I've ever seen. Though first-time viewers may wish for more state of the art video quality and special effects, the information has been updated, and no student of the universe could wish for a more sweeping and thought-provoking look across time and space.
MikeAnn193 6 months ago
@MikeAnn193 It stirs me to tears every time.
bishop8000 6 months ago
One more question for you Bishop8000, is this video part of a larger show? Any idea where I can watch or download the rest of it? Thanks.
pab7984 1 year ago
@pab7984 Yes. It's from the PBS series Cosmos: A Personal Voyage. There's nothing in life that I could recommend more highly.
bishop8000 1 year ago 12
aaahhh. makes sense, thanks. but surely the 7 planets in our solar system are not the only points of light in the sky that appear to move? But I suppose that there patterns of movement were more dramatic then any others?
pab7984 1 year ago
@pab7984 There are meteors and shootings stars, but those are never seen again. From the perspective of the earth, there's really nothing else in the sky that moves like the planets, the moon, and the sun.
bishop8000 1 year ago 2