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The PPM Star Catalogue ( Positions and Proper Motions Star Catalogue) is the successor of the SAO Catalogue. It contains precise positions and proper motions of 378,910 stars on the whole sky in the J2000 / FK5 coordinate system. It is designed to represent as closely as possible the IAU (1976) coordinate system on the sky, as defined by the ...
Because of the large range of difficulty that exists beyond Class IV, Class V is an open-ended, multiple-level scale designated by class 5.0, 5.1, 5.2, etc. Each of these levels is an order of magnitude more difficult than the last. That is, going from Class 5.0 to Class 5.1 is a similar order of magnitude as increasing from Class IV to Class 5.0.
Arithmetic progression. An arithmetic progression or arithmetic sequence (AP) is a sequence of numbers such that the difference from any succeeding term to its preceding term remains constant throughout the sequence. The constant difference is called common difference of that arithmetic progression. For instance, the sequence 5, 7, 9, 11, 13 ...
The Braves finished the first half 53-42 and in second place in the NL East, 8 1/2 games behind the Philadelphia Philli d'Arnaud hits two homers, drives in 4 runs in Atlanta 6-3 win over San Diego ...
Fibonacci sequence. For the chamber ensemble, see Fibonacci Sequence (ensemble). In mathematics, the Fibonacci sequence is a sequence in which each number is the sum of the two preceding ones. Numbers that are part of the Fibonacci sequence are known as Fibonacci numbers, commonly denoted Fn . The sequence commonly starts from 0 and 1, although ...
And in the third, the U.S. found itself down early once again. Two aces to make it 12-6 provided the death knell. Italy had the momentum, and the decidedly pro-Italian crowd certainly helped. "It ...
In fact, in a retrospective study assessing 103,218 deaths, researchers found that those with a BMI of 30 or higher who were classified as having obesity had a 1.5-2.7 times higher risk of death ...