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Originally posted by skept!cal
Well i guess this is a flip to the other thread...I mean most hardcore believers (and let me make this totally clear from the start IM NOT BASHING ANYONES BELIEFS nor forming any opinions of my own) cant even answer the most simple of questions such as "where is the evidence"?...Which in my opinion is a absolutely rational question for such a extravagant claim....So what do you guys think when the questions flipped and the questions falls on the believers what are some of the questions that they just cant answer when it falls on them
Originally posted by Rigel
Universe is 13 bn yrs old, Earth is 4 bn, Mankind (Homo Sapiens) is about 50 000 years old.
Logically, such a process has likely happened elsewhere, and on planets that offered life conditions far before the earth ever existed.
Originally posted by skept!cal
"where is the evidence"?...
Skept!cal
ufoskeptic.org
Skeptic - One who practices the method of suspended judgment, engages in rational and dispassionate reasoning as exemplified by the scientific method, shows willingness to consider alternative explanations without prejudice based on prior beliefs, and who seeks out evidence and carefully scrutinizes its validity.
Over the past 50 years, the highest courts have accepted and upheld the precedence of national security over the First and Fourth Amendments. So even if the public wanted to know, that would not constitute a legal need or right to know. The elite are doing their patriotic duty by trying to control the situation within the established rules of national security."
My impression is that, if the above is true, there may be more involved than simply the knowledge that intelligent beings exist on other planets, and that some are able to come here to observe us. I think that at this point in our development, most of the world's cultures could accept such information without catastrophic societal consequences. I conjecture that what is at stake has to do with the possibility that reality may be far more complex than our modern scientific notions of space and time and matter. Mystics might be quite happy with other levels of reality, but for civilization built around commerce and technology entirely grounded in physical reality, news of other realms that intelligences beyond our own may be adept at manipulating could be quite disruptive. Too great a shock to our collective reality could lead to chaos, and this justifiable fear could be a rationale for decades-long secrecy.
Your inquiry is definitely in the minds of many scientists who are trying to obtain a good estimate for the number of galaxies in the universe. The methods used to achieve such number varies, and therefore, the results would vary, too. Also, as new and improved technology becomes available, astronomers can detect fainter objects that were not seen before. These objects that have come into view will in turn change the estimated number of galaxies.
For example, in 1999 the Hubble Space Telescope estimated that there were 125 billion galaxies in the universe, and recently with the new camera HST has observed 3,000 visible galaxies, which is twice as much as they observed before with the old camera. We're emphasizing "visible" because observations with radio telescopes, infrared cameras, x-ray cameras, etc. would detect other galaxies that are not detected by Hubble. As observations keep on going and astronomers explore more of our universe, the number of galaxies detected will increase.
This is a very good question! There are too many stars for scientists to actually count one-by-one, so other methods of estimating the total number of stars are used. We believe that there are on the order of 1021 stars in our Universe. If you write that number out, it looks like this: 1,000,000,000,000,000,000,000. This is a lot of stars!