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The Sun is 1.4 million kilometers (4.643 light-seconds) wide, about 109 times wider than Earth, or four times the Lunar distance, and contains 99.86% of all Solar System mass. The Sun is a G-type main-sequence star that makes up about 99.86% of the mass of the Solar System. [26]
The mass loss rate will increase when the Sun enters the red giant stage, climbing to (7–9) × 10 −14 M ☉ /year when it reaches the tip of the red-giant branch. This will rise to 10 −6 M ☉ /year on the asymptotic giant branch, before peaking at a rate of 10 −5 to 10 −4 M ☉ /year as the Sun generates a planetary nebula.
Dirac delta function: everywhere zero except for x = 0; total integral is 1. Not a function but a distribution, but sometimes informally referred to as a function, particularly by physicists and engineers. Dirichlet function: is an indicator function that matches 1 to rational numbers and 0 to irrationals. It is nowhere continuous.
A drawing for the Josephus problem sequence for 500 people and skipping value of 6. The horizontal axis is the number of the person. The vertical axis (top to bottom) is time (the number of cycle). A live person is drawn as green, a dead one is drawn as black. [1]
In the mathematical fields of set theory and extremal combinatorics, a sunflower or -system [1] is a collection of sets in which all possible distinct pairs of sets share the same intersection. This common intersection is called the kernel of the sunflower.
The Pact is a 2006 American documentary film directed and produced by Andrea Kalin, presented by the National Black Programming Consortium, and aired on public television about three childhood friends from New Jersey who make a pact to help keep each other in school, graduate, and all successfully become doctors.
The Babylonian system of mathematics was a sexagesimal (base 60) numeral system.From this we derive the modern-day usage of 60 seconds in a minute, 60 minutes in an hour, and 360 degrees in a circle. [8]
[6] On Social Justice Books, Michael Thompson criticized "[Roanhorse's] appropriation and distortions of Dine’ cultural narratives," saying not only that "this book is likely to reach a much larger audience of younger readers, who are both Native and non-Native," but also that "there are some unusually problematic internal inconsistencies in ...