nstants are from Ref. 1. While every e ort has been made to obtain the most accurate current values of the listed quantities, the table does not represent a critical review or adjustment of the constants, and
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The following table gives approximate values of effective temperatures, bolometric corrections, and color indices of stars of various spectral types:
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If your list of lists comes from a nested list comprehension, the problem can be solved more simply/directly by fixing the comprehension; please see How can I get a flat result from a list
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By using a : colon in the list index, you are asking for a slice, which is always another list. In Python you can assign values to both an individual item in a list, and to a slice of the list.
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The notation List<?> means "a list of something (but I''m not saying what)". Since the code in test works for any kind of object in the list, this works as a formal method parameter. Using a type parameter
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I have a piece of code here that is supposed to return the least common element in a list of elements, ordered by commonality: def getSingle(arr): from collections import Counter c = Counte...
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List<int> list = new List<int>(); list.Add(6); List.Add(8); I know that in a List you can have the generic type so you can pass in any type that you cannot do in an Array but my exact questions are: Where would
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Table of Constants The Sun Inclination of the lunar orbit w.r.t. = 5.14 the ecliptic
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The document provides a constants sheet for the Singapore Astronomy Olympiad, detailing physical, orbital, and observational characteristics of various Solar System bodies including the Sun, planets,
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The small part of this energy intercepted by Earth (the solar constant, on average 1.4 kilowatts per square metre) is of enormous importance to life and to the maintenance of natural processes on
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You can access the elements in a list-of-lists by first specifying which list you''re interested in and then specifying which element of that list you want. For example, 17 is element 2 in list 0,
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The solar constant (GSC) measures the amount of energy received by a given area one astronomical unit away from the Sun. More specifically, it is a flux density measuring mean solar electromagnetic
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Astronomical and Physical Constants Astronomical unit (AU) Light year (ly) Parsec (pc) Jansky (Jy) Sidereal year Tropical year Calendar year
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The first, [:], is creating a slice (normally often used for getting just part of a list), which happens to contain the entire list, and thus is effectively a copy of the list. The second, list(), is using the actual
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General Astronomical Constants Name Speed of light in vacuum Astronomical Unit Light Year (Julian) Parsec Symbol c AU ly pc Value 299 792 458 1.495 978 706 6 × 1011 9.460 730 472× 1015 Units m s-1
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When reading, list is a reference to the original list, and list[:] shallow-copies the list. When assigning, list (re)binds the name and list[:] slice-assigns, replacing what was previously in the list.
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Physical & Astronomical Constants Gravitational constant Boltzmann constant Stefan-Boltzmann constant Planck constant Speed of light Electron mass Proton mass Neutron mass Hydrogen mass
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