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RE: To be dark matter or not to be dark matter - what does data tell us

in #steemstem7 years ago

I must admit that much of this was impossible for me to understand, simply because i dont have the basic information that is required to understand it before i started to read.

But i find it interesting and forced my self to read everything, because a little here and a little there will make it more easy to understand similar things when i read about it in the future.

I have of course also my own theories about some of this things, but dont have the basic knowledge to explain it in a sensible way, because i dont know the right words and formular for it.

But i am always happy when i see people who understand and make a clear difference between a theory and facts. :)
(my English is not so very good neither, and that can make it difficult to understand some of the things, when it is a lot of tecnical words involved)

I get so upset when i talk with people who talk about for example "The Big Bang Theory" as a fact, even if the theory even have the word "Theory" in it.. lol
And i even believe in The Big Bang theory as a part of the explanation.
But i know it is a theory.

And then there is also another question i came to think about when i was reading this, does "nothing" exist?

Anyway, thank you for this post.
Even if i did not understand everything, i learned a little more, and it probably made me able to understand even more the nest time.

It also led me to look closer at some of the things here.

I hope you have a great day when you read this. :)

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You can always ask questions about things I should clarify. As this is a text and not a live discussion, I can only assume what is easy to understand and what is not :)

I get so upset when i talk with people who talk about for example "The Big Bang Theory" as a fact, even if the theory even have the word "Theory" in it.. lol
And i even believe in The Big Bang theory as a part of the explanation.
But i know it is a theory.

To get what a theory is, it is good to go back to the scientific definition of the word. A theory is a mathematical structure precisely explaining the ensemble of all experimental facts of a given domain. It can be used to make predictions and is thus testable. With this respect, the big bang theory, or standard cosmology if you prefer, is a theory. Now, should it stay or be sent top the graveyard of the dead theories, we don't know yet :)

But i am always happy when i see people who understand and make a clear difference between a theory and facts. :)

Theory with data is as useless as data without a theory :)

And then there is also another question i came to think about when i was reading this, does "nothing" exist?

Please define nothing. I am afraid we are entering the domain of philosophy here :p

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