short-period measurements
71Zhang Heng — For other uses, see Zhang Heng (disambiguation). This is a Chinese name; the family name is Zhang. Zhang Heng (張衡) Born …
72Seismometer — Seismometers (from Greek Seism the shakes and Metro I measure ) are instruments that measure and record motions of the ground, including those of seismic waves generated by earthquakes, nuclear explosions, and other seismic sources. Records of… …
73Julian day — JDN redirects here. For the military IT system, see Joint Data Network. For the comic book character Julian Gregory Day, see Calendar Man. Not to be confused with Julian year (disambiguation). Julian day is used in the Julian date (JD) system of… …
74Lightning — This article is about the atmospheric electrical phenomenon. For other uses, see Lightning (disambiguation). See also: Lightning strike Lightning striking Atlanta, United States Lightning is an atmospheric electrostatic discharge (spar …
75Glossary of environmental science — This is a glossary of environmental science.Environmental science is the study of interactions among physical, chemical, and biological components of the environment. Environmental science provides an integrated, quantitative, and… …
76seismograph — seismographic /suyz meuh graf ik, suys /, seismographical, adj. /suyz meuh graf , grahf , suys /, n. any of various instruments for measuring and recording the vibrations of earthquakes. [1855 60; SEISMO + GRAPH] * * * Introduction… …
77Lacrosse — Sport imagesize = 225px caption = Lacrosse being played in Finland union = International Lacrosse Federation / International Federation of Women s Lacrosse Associations nickname = Lax first = As early as the 12th century AD, North… …
78Flashline Mars Arctic Research Station — Flashline Mars Arctic Research Station …
7955 Cancri e — Planetbox begin name = 55 Cancri e Planetbox image caption = Artist s impression of 55 Cancri e Planetbox star star = 55 Cancri A constell = Cancer RA = RA|08|52|35.8 DEC = DEC|+28|19|51 dist ly=40.9 dist pc=12.5 class = G8V Planetbox orbit… …
80Climate of Uranus — Uranus southern hemisphere in approximate natural colour (left) and in higher wavelengths (right), showing its faint cloud bands and atmospheric hood as seen by Voyager 2 The climate of Uranus is heavily influenced by both its lack of internal… …
