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Space is the human race’s final frontier, But there is always more to explore in the vast expanse in space. So let’s spend more money on space exploration.

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Eight hundred years ago, the number of visible stars would have been about 6000 total. So through most of history, the real number of stars could not have been guessed.

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What a black hole is and what it is made of.

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The sky is an eternally changing treasure trove of beauty. Man has praised its beauty and has been spellbound by its immenseness for ages. No matter how many times you look at it in your lifetime, there will always be new things to look at. I plan to write a series of articles on the sky. This is the first installment about how the sky is like at night.

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NASA needs two months before concluding anything.

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A program being established by NASA will eventually cover and area 10 million times larger than that investigated so far. Using specially designed equipment, it will focus on some 1,000 carefully chosen sun-type stars. The hope is to detect radio signals. The equipment will also scan the entire sky over a wide range of frequencies. Although each point will be observed for only few seconds, the survey will increase the probability that all potential sites for intelligent life have been examined.

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“Twinkle, twinkle little star, how I wonder what you are; up above the world so high, like a diamond in the sky!”

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Who is Giovanni Cassini?

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Is time slowing down?

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There is so much to see up there.