shower rate

См. также в других словарях:

• Meteor shower — This article is about the falling of meteors. For the TV program, see Meteor Shower (TV series). A meteor shower is a celestial event in which a number of meteors are observed to radiate from one point in the night sky. These meteors are caused… …   Wikipedia

• Zenith Hourly Rate — is a concept used by meteor shower observers. It represents the maximum theoretical rate of meteors that would be visible to an observer, if the radiant of the shower was at the zenith and the sky was free of any light pollution. Because the ZHR… …   Wikipedia

• Zenithal Hourly Rate — In astronomy, the Zenithal Hourly Rate (ZHR) of a meteor shower is the number of meteors an observer would see in one hour under a clear, dark sky (limiting apparent magnitude of 6.5) and if the radiant of the shower were in the zenith. The rate… …   Wikipedia

• Lapse rate — The lapse rate is defined as the rate of decrease with height for an atmospheric variable. The variable involved is temperature unless specified otherwise.[1][2] The terminology arises from the word lapse in the sense of a decrease or decline;… …   Wikipedia

• meteor shower — Astron. the profusion of meteors observed when the earth passes through a meteor swarm. Also, meteoric shower. [1875 80] * * * Entry into Earth s atmosphere of multiple meteoroids (see meteor), traveling in parallel paths, usually spread over… …   Universalium

• Fool In The Shower — The notion that changes or policies designed to alter the course of the economy should be done slowly, rather than all at once. This phrase describes a scenario where a central bank, such as the Federal Reserve acts to stimulate or slow down an… …   Investment dictionary

• Water heating — is a thermodynamic process using an energy source to heat water above its initial temperature. Typical domestic uses of hot water are for cooking, cleaning, bathing, and space heating. In industry, both hot water and water heated to steam have… …   Wikipedia

• Cosmic ray — For the film, see Cosmic Ray (film). Cosmic radiation redirects here. For some background types of cosmic radiation, see cosmic background radiation and cosmic background. The energy spectrum for cosmic rays Cosmic rays are energetic charged… …   Wikipedia

• climate — /kluy mit/, n. 1. the composite or generally prevailing weather conditions of a region, as temperature, air pressure, humidity, precipitation, sunshine, cloudiness, and winds, throughout the year, averaged over a series of years. 2. a region or… …   Universalium

• Mathematics and Physical Sciences — ▪ 2003 Introduction Mathematics       Mathematics in 2002 was marked by two discoveries in number theory. The first may have practical implications; the second satisfied a 150 year old curiosity.       Computer scientist Manindra Agrawal of the… …   Universalium

• meteor and meteoroid — ▪ astronomy Introduction   respectively, a glowing streak in the sky (meteor) and its cause, which is a relatively small stony or metallic natural object from space (meteoroid) that enters Earth s atmosphere and heats to incandescence. In modern… …   Universalium