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The concept of the position angle is inherited from nautical navigation on the oceans, where the optimum compass course is the course from a known position s to a target position t with minimum effort. Setting aside the influence of winds and ocean currents, the optimum course is the course of smallest distance between the two positions on the ...
The heptagram is known among neopagans as the Elven Star or Fairy Star. It is treated as a sacred symbol in various modern pagan and witchcraft traditions. Blue Star Wicca also uses the symbol, where it is referred to as a septegram. The second heptagram is a symbol of magical power in some pagan spiritualities.
The shape of the arm is usually parameterised by the pitch angle . The pitch angle is the angle between the tangent to spiral arm at a given point and the perpendicular to the radius drawn to that point. In the majority of spiral galaxies, the average pitch angle lies within the range of 5° to 30°.
The holiday shopping season has returned, and so has the potential for scams. The FBI warns shoppers to "always" be wary of deals that seem too good to be true, especially as you begin to scope ...
How to Be Perfect: The Correct Answer to Every Moral Question is a 2022 non-fiction book by American television producer and author Michael Schur. The book provides an introduction to many philosophical arguments on the concept of ethics , told largely in layman's terms and in a humorous tone.
A 17-year-old cheerleader from California was stabbed to death just days before Christmas — and police say they've arrested an "acquaintance" in connection with the case. On Friday, Dec. 20, at ...
It's just the perfect touch." Santa, Smith said, "fell in love instantly with a chocolate chip cookie." "He was so thankful to get rid of the sugar cookies."
Wall Around a Star is a science fiction novel by American writers Frederik Pohl and Jack Williamson, the second book of the Saga of Cuckoo series, following Farthest Star. The book was published by Del Rey Books on January 12, 1983, with cover art by David Mattingly .