on a timescale of 2 years

См. также в других словарях:

• Lunar geologic timescale — The lunar geologic timescale (or selenologic timescale) divides the history of Earth s moon into five generally recognized geologic periods: the Copernican, Eratosthenian, Imbrian (upper and lower), Nectarian, and Pre Nectarian. The boundaries of …   Wikipedia

• geological timescale —   ▬▬▬▬▬▬▬▬ A scale into which the Earth s geological history can be subdivided: (CENOZOIC): Quaternary (2 million years ago to present: Holocene, Pleistocene) Tertiary (65 million years ago to 2 million years ago: Pliocene, Miocene, Oligocene,… …   Useful english dictionary

• Nuclear timescale — In astrophysics, the nuclear timescale is an estimate of the lifetime of a star based solely on its rate of fuel consumption. Along with the thermal and dynamical time scales, it is used to estimate the length of time a particular star will… …   Wikipedia

• Current sea level rise — This article is about the current and future rise in sea level associated with global warming. For sea level changes in Earth s history, see Sea level#Changes through geologic time. Sea level measurements from 23 long tide gauge records in… …   Wikipedia

• HD 155358 — Starbox begin name=HD 155358 Starbox observe epoch=J2000 ra=RA|17|09|34.6168cite web title=Results for HD 155358 work=SIMBAD Astronomical Database publisher=Centre de Données astronomiques de Strasbourg url=http://simbad.u strasbg.fr/simbad/sim… …   Wikipedia

• Magnetosphere of Saturn — Aurorae on the south pole of Saturn as viewed by Hubble Internal field[1 …   Wikipedia

• Carbon dioxide equivalent — (CDE) and Equivalent carbon dioxide (or CO2) are two related but distinct measures for describing how much global warming a given type and amount of greenhouse gas may cause, using the functionally equivalent amount or concentration of carbon… …   Wikipedia

• Geologic time scale — This clock representation shows some of the major units of geological time and definitive events of Earth history. The Hadean eon represents the time before fossil record of life on Earth; its upper boundary is now regarded as 4.0 Ga.[1] Other… …   Wikipedia

• Geology of Mars — Mars   Mars as seen by the Hubble Space Telescope Designations …   Wikipedia

• geomagnetic field — Magnetic field associated with the Earth. It is essentially dipolar (i.e., it has two poles, the northern and southern magnetic poles) on the Earth s surface. Away from the surface, the field becomes distorted. Most geomagnetists explain the… …   Universalium

• global warming — an increase in the earth s average atmospheric temperature that causes corresponding changes in climate and that may result from the greenhouse effect. [1975 80] * * * Potential increase in global average surface temperatures resulting from… …   Universalium