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  2. Global surface temperature - Wikipedia

    en.wikipedia.org/wiki/Global_surface_temperature

    Projected global surface temperature changes relative to 1850–1900, based on CMIP6 multi-model mean changes. The IPCC Sixth Assessment Report defines global mean surface temperature (GMST) as the "estimated global average of near-surface air temperatures over land and sea ice, and sea surface temperature (SST) over ice-free ocean regions, with changes normally expressed as departures from a ...

  3. Sidereal time - Wikipedia

    en.wikipedia.org/wiki/Sidereal_time

    For GMST the hour and minute were the same but the second was 21.1060. [13] ... Web-based Sidereal time calculator This page was last edited on 18 November ...

  4. Equation of time - Wikipedia

    en.wikipedia.org/wiki/Equation_of_time

    Here GMST = GAST − eqeq, is the Greenwich mean sidereal time (the angle between the mean vernal equinox and the mean Sun in the plane of the equator). Therefore, GMST is an approximation to GAST (and E is an approximation to EOT); eqeq is called the equation of the equinoxes and is due to the wobbling, or nutation of the Earth's axis of ...

  5. GMST - Wikipedia

    en.wikipedia.org/wiki/GMST

    GMST may refer to: Global mean surface temperature, sometimes abbreviated as Global surface temperature (GST) Greenwich Mean Sidereal Time , a time scale based on Earth's rate of rotation measured relative to celestial objects

  6. Dwell time (military) - Wikipedia

    en.wikipedia.org/wiki/Dwell_time_(military)

    In the military, dwell time is the amount of time that service members spend in their home station between deployments to war zones. It is used to calculate the deploy-to-dwell ratio. Dwell time is designed to allow service members a mental and physical break from combat and to give them time with their families.

  7. Military time zone - Wikipedia

    en.wikipedia.org/wiki/Military_time_zone

    The military time zones are a standardized, uniform set of time zones for expressing time across different regions of the world, named after the NATO phonetic alphabet. The Zulu time zone (Z) is equivalent to Coordinated Universal Time (UTC) and is often referred to as the military time zone.

  8. 'It isn't 1948': Defense Secretary Austin defends role of ...

    www.aol.com/news/isnt-1948-defense-secretary...

    Barring women from combat, a ban that was lifted in 2016, would make the military smaller and weaker, Austin said. Women make up about 17% of the military's ranks. They have fought and died in ...

  9. List of countries by number of military and paramilitary ...

    en.wikipedia.org/wiki/List_of_countries_by...

    The numbers of military personnel listed include both support personnel (supplies, construction, and contracting) and actual combat personnel. For a typical country, the proportion of this total that comprises actual combat forces is about 26% [ citation needed ] (so, for every soldier there will be around three support personnel).