first-event observations
101Transient lunar phenomenon — A transient lunar phenomenon (TLP) or Lunar Transient Phenomena (LTP), refers to short lived lights, colors, or changes in appearance of the lunar surface. Claims of short lived phenomena go back at least 1,000 years, with some having been… …
102Observable universe — For a general discussion of the universe, see Universe. Visualization of the 93 billion light year – or 28 billion parsec – three dimensional observable universe. The scale is such that the fine grains of light represent collections of large… …
103Binary star — For the hip hop group, see Binary Star (band). Hubble image of the …
10499942 Apophis — Discovery[2] Discovered by Roy A. Tucker David J. Tholen Fabrizio Bernardi Discovery site Kitt Peak …
105Many-worlds interpretation — The quantum mechanical Schrödinger s cat paradox according to the many worlds interpretation. In this interpretation every event is a branch point; the cat is both alive and dead, even before the box is opened, but the alive and dead cats are in… …
106Scientific method — …
107Viterbi algorithm — The Viterbi algorithm is a dynamic programming algorithm for finding the most likely sequence of hidden states ndash; called the Viterbi path ndash; that results in a sequence of observed events, especially in the context of Markov information… …
108Noctilucent cloud — Polar mesospheric cloud Noctilucent clouds over Kuresoo bog, Viljandimaa, Estonia Abbreviation NLC/PMC Altitude …
109Rings of Uranus — The scheme of Uranus s ring moon system. Solid lines denote rings; dashed lines denote orbits of moons. The planet Uranus has a system of rings intermediate in complexity between the more extensive set around Saturn and the simpler systems around …
110Climate of the Arctic — The climate of the Arctic is characterized by long, cold winters and short, cool summers. There is a large amount of variability in climate across the Arctic, but all regions experience extremes of solar radiation in both summer and winter. Some… …
