Is anybody out there?
Although SETI has found some unexplained signals, there have not been any clear, confirmed extraterrestrial signals yet. However, SETI scientists are not at all discouraged. They know that the universe is vast, and searching the entire sky for a distant signal is like searching for a needle in a haystack.
Not only are STEI scientists not discouraged, they are actually more optimistic than ever before. They do feel that in another 50 or 100 years, they will have succeeded in detecting alien signals. What is the reason for this confidence? Previous searches were limited by the shortcomings of available technology. For example, while there are hundreds of billions of stars in our galaxy, fewer than a thousand have been monitored for alien signals. But technology is improving all the time. As technology improves, scientists are going to have a better chance of picking up alien signals. In the next few decades, hundreds of thousands of thousands of stars, maybe even millions, will have been monitored.
Is anybody out there?Although SETI has found some unexplained signals, there have not been any clear, confirmed extraterrestrial signals yet. However, SETI scientists are not at all discouraged. They know that the universe is vast, and searching the entire sky for a distant signal is like searching for a needle in a haystack. Not only are STEI scientists not discouraged, they are actually more optimistic than ever before. They do feel that in another 50 or 100 years, they will have succeeded in detecting alien signals. What is the reason for this confidence? Previous searches were limited by the shortcomings of available technology. For example, while there are hundreds of billions of stars in our galaxy, fewer than a thousand have been monitored for alien signals. But technology is improving all the time. As technology improves, scientists are going to have a better chance of picking up alien signals. In the next few decades, hundreds of thousands of thousands of stars, maybe even millions, will have been monitored.
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