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Friday, December 30, 1983 ; Page A1
Originally posted by MrStyx
My take on it is this. How can you tell a planets mass by a flyby? Scientists dont even know for sure whats in the center of the earth, let alone a planet they havent been on. They speculate and they have theories, and hypothesis but they are not cold hard facts. They have no idea of what elements make up a planets mass. How can they? What instrument can detect it?
We dont know whats out there let alone the bottom of our own oceans or under our own crust so to debate the issue with such hardcore stances serves no purpose. Theory is not fact. Nothing is off the table. How do we know the laws that govern our planet are the same that govern another. The answer is we don't know.
Originally posted by Vandettas
reply to post by Xcalibur254
Well...I don't believe in Nibiru at all. But every time I get some sort of "proof", every-time I think something is "true", and every-time someone posts evidence of caliber such as this, I ask myself one question. That question is : How do I know this isn't a lie?
Originally posted by Phage
reply to post by MrStyx
The mass of an object in space can be determined by how it affects the motion of other objects in space. The orbit of a satellite passing a planet is changed. How that orbit is changed tells us the mass of the planet.
The composition of the planet is irrelevant. A given mass will have a given effect on the speed and direction of an object moving past it. It is not a theory, it is a fact. If it were not a fact, the various probes which have been sent to various planets would not have gotten there.
It is not a theory, it is a fact. If it were not a fact, the various probes which have been sent to various planets would not have gotten there.
Originally posted by smurfy
I thought that it was an approximation, like most things.
Originally posted by backinblack
Originally posted by smurfy
I thought that it was an approximation, like most things.
Well they have admited they were wrong prior to the flyby so yes, it's just a guess IMO..
Yet we are to believe they are accurate with bodies lightyears away..
My take on it is this. How can you tell a planets mass by a flyby? Scientists dont even know for sure whats in the center of the earth, let alone a planet they haven't been on. They speculate and they have theories, and hypothesis but they are not cold hard facts. They have no idea of what elements make up a planets mass. How can they? What instrument can detect it?
We dont know whats out there let alone the bottom of our own oceans or under our own crust so to debate the issue with such hardcore stances serves no purpose. Theory is not fact. Nothing is off the table. How do we know the laws that govern our planet are the same that govern another. The answer is we don't know. /quote]
The law of gravity is well known and well established. Back as far as Newton it was well worked out. There are hundreds of years of testing to know that it works. Astronomers know things so well that they can even plot the paths of asteroids and determine when they will occult stars and which towns will be able to view the event.
I notice that you do not understand theory as used in science. It is not used in science as it is used in ATS by many people to mean some wild eyed speculation. A theory in science is based on facts and a means of explaining those facts. A theory in science is based on facts it is not a fact.
It's a good question that you ask about the way the universe works. Does a law on one planet apply to other places? In the case of gravity it does. We know by the observations that have been made of planetary motions.