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  2. Logistic map - Wikipedia

    en.wikipedia.org/wiki/Logistic_map

    for x 0 ∈ [0,1). Since (1 − 2x 0) ∈ (−1,1) for any value of x 0 other than the unstable fixed point 0, the term (1 − 2x 0) 2 n goes to 0 as n goes to infinity, so x n goes to the stable fixed point ⁠ 1 / 2 ⁠.

  3. List of exoplanets discovered in 2017 - Wikipedia

    en.wikipedia.org/wiki/List_of_exoplanets...

    For exoplanets detected only by radial velocity, the mass value is actually a lower limit. (See Minimum mass for more information) ... 2.9 +1.6 −0.6: microlensing

  4. Arithmetic - Wikipedia

    en.wikipedia.org/wiki/Arithmetic

    Arithmetic is the fundamental branch of mathematics that studies numbers and their operations. In particular, it deals with numerical calculations using the arithmetic operations of addition, subtraction, multiplication, and division. [1]

  5. Pi - Wikipedia

    en.wikipedia.org/wiki/Pi

    [163] [164] [165] In two dimensions, the critical Sobolev inequality is ‖ ‖ ‖ ‖ for f a smooth function with compact support in R 2, is the gradient of f, and ‖ ‖ and ‖ ‖ refer respectively to the L 2 and L 1-norm. The Sobolev inequality is equivalent to the isoperimetric inequality (in any dimension), with the same best constants.

  6. Moon - Wikipedia

    en.wikipedia.org/wiki/Moon

    Most of the mare basalts erupted during the Imbrian period, 3.3–3.7 billion years ago, though some are as young as 1.2 billion years [63] and some as old as 4.2 billion years. [64] There are differing explanations for the eruption of mare basalts, particularly their uneven occurrence which mainly appear on the near-side.

  7. Number - Wikipedia

    en.wikipedia.org/wiki/Number

    For example, 6.849999999999... = 6.85 and 6.850000000000... = 6.85. Finally, if all of the digits in a numeral are 0, the number is 0, and if all of the digits in a numeral are an unending string of 9s, you can drop the nines to the right of the decimal place, and add one to the string of 9s to the left of the decimal place.

  8. Leap second - Wikipedia

    en.wikipedia.org/wiki/Leap_second

    Screenshot of the UTC clock from time.gov during the leap second on 31 December 2016.. A leap second is a one-second adjustment that is occasionally applied to Coordinated Universal Time (UTC), to accommodate the difference between precise time (International Atomic Time (TAI), as measured by atomic clocks) and imprecise observed solar time (), which varies due to irregularities and long-term ...

  9. List of exoplanets discovered in 2024 - Wikipedia

    en.wikipedia.org/wiki/List_of_exoplanets...

    3.6 ± 0.3 25.2 ± 1.8 0.17 radial vel. 522.6 ± 1.3 0.9 ± 0.02 4250 ± 50 Highly eccentric orbit (e = 0.58). Cited as confirmed by NASA Exoplanet Archive and exoplanet.eu. [12] [13] CWISE J054129.32–745021.5 b 1.8 6576 imaging 111 Orbits a young red dwarf. [5] Gaia-4 b 11.8 +0.73 −0.66: 571.3 +1.4 −1.3: astrometry + radial vel. 239.2 ± ...