Men have always looked at the night sky; they imagined that the heavens were filled with the images of their gods, heroes and strange creatures. We owed these ancient astronomers for their ability to see shapes and group stars together, and the poets for entertaining us with the tales of th...
The Pith Of Astronomy (Without Mathematics) - The Latest Facts And Figures As Developed By The Giant TelescopesMany of the earliest books, particularly those dating back to the 1900s and before, are now extremely scarce and increasingly expensive. We are republish...
The same goes for a situation involving a black hole. As I am falling into the black hole in my spaceship, I create a pair of entangled particles. I don't know their polarizations. As my ship crosses the event horizon, one particle shoots out and escapes, the other falls in with me....
and Ptolemy, each surrounded by symbols of their work. The pillars in the background are made of wood; those in the foreground are made of brick and marble, symbolizing the progress of astronomy. Astronomical instruments serve as decorations. The figures on the cornice symbolize mathematical scie...
The Pythagoreans used geometrical figures to illustrate their slogan that all is number—thus their “triangular numbers” (n(n−1)/2), “square numbers” (n2), and “altar numbers” (n3), some of which are shown in the figure. This principle found a sophisticated application in Plato’...
Some of these statistics are included on this page and the next, but of course there is one unit of measure not applied to terrestrial facts and figures, which is synonymous with astronomy, and that is the light year. I wrote about the light year on Page 1 of this series, but I ...
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Which, for me, is quite easy. <smile> You've managed to state a few simple facts while ignoring the broader picture and facts that you don't like. Examples of facts you have ignored or not responded to because the only response is to admit the fact you don't like is a fact: ...
and the spots on the moon did not bring to light many results of lasting importance beyond making it evident that they were a refutation of the errors of his contemporaries, they contain various explanations of facts which modern science need not modify in any essential point, and discoveries ...
Regardless, this is still an excellent example of how starting with a few facts and interpolating using the laws of science can lead to entertaining results. SF authors are free to postulate other types of Deadly Things besides black holes, such as the Cthulhu star with its limited range telep...