Differences

This shows you the differences between two versions of the page.

--- library:astrometrics [2021/07/31 21:46] – [Units] site_admin
+++ library:astrometrics [2021/08/01 06:20] – site_admin
@@ Line 47: / Line 47: @@
 \\
 <BOOKMARK:time><fs large>**__Time__**</fs>\\ \\
-The base unit of time -- the minute -- is established by the vibration frequency of the cesium-133 atom at a temperature of zero Kelvin (-273.15°C), which is exactly 483,495,660,575 vibrations from the ground state of the isotope to a hyperfine energy level. This is the most stable and reproducible phenomena in nature, as it is accurate over a time span of hundreds of millions of years.
+The base unit of time -- the minute -- is established by the vibration frequency of the cesium-133 atom (expressed as Δ//v//<sub>Cs</sub>) at a temperature of zero Kelvin (-273.15°C), which is exactly 483,495,660,575 vibrations from the ground state of the isotope to a hyperfine energy level. This is the most stable and reproducible phenomena in nature, as it is accurate over a time span of hundreds of millions of years.
-Minutes form the basis of the stardate time measurement system in Starfleet and the Federation, and extensions of the minute include days (600 minutes equals one day) and years (600,000 minutes equals one year).  Subsequently, a day is 290,097,396,344,952 vibrations of the Cs-133 atom, and a year 1000 times that.  Seconds and hours are considered subsidiary to the minute due to the diversity of planetary dynamics between the worlds of the Federation, where some planets rotate faster or slower than others.  Therefore, they are used only in the context on maintaining a circadian rhythm aboard a Starfleet vessel, allowing them to synchronize to a common standard across the fleet.  For these purposes, and due to the fact that Starfleet was originally an Earth-centric organization, a second is considered one-sixtieth of a minute, and an hour sixty times that of a minute.  This allows for a day to remain an easily convertible metric from hours (10 hours equals a day), and a minute to continue an Earth tradition of being sixty seconds.  There are no delineations for weeks or months in the stardate time measurement system.
+Minutes form the basis of the stardate time measurement system in Starfleet and the Federation, and extensions of the minute include days (600 minutes equals one day) and years (600,000 minutes equals one year).  Subsequently, a day is 290,097,396,344,952 vibrations of the Cs-133 atom, and a year 1000 times that.  Seconds and hours are considered subsidiary to the minute due to the diversity of planetary dynamics between the worlds of the Federation, where some planets rotate faster or slower than others.  Therefore, they are used only in the context of maintaining a circadian rhythm aboard a Starfleet vessel, allowing them to synchronize to a common standard across the fleet.  For these purposes, and due to the fact that Starfleet was originally an Earth-centric organization, a second is considered one-sixtieth of a minute, and an hour sixty times that of a minute.  This allows for a day to remain an easily convertible metric from hours (10 hours equals a day), and a minute to continue an Earth tradition of being sixty seconds.  There are no delineations for weeks or months in the stardate time measurement system.
 In Starfleet, it is very common for starships to continue utilizing a 24-hour clock for establishing daily schedules and routines, and then switch to stardates for multi-day events and log entries.  Aboard a Starfleet vessel with a mostly humanoid crew, a single "day" is still colloquially referred to as a normal day/night schedule in order to maintain a circadian rhythm, which will equal to approximately 2.74 days under the stardate measure.  The same can be said for weeks and months, where the 7-day week based on Hellenistic astrology from Terran history is still occasionally used by the crew to breakup the monotony of 1000-day year in the stardate system.  In fact, a stardate "day" will often coincide with a shift change on starship, which happens roughly every 8.767 hours on the 24-hour Terran clock.  Normally, it is up to the skipper to define whether that shift change occurs on the Terran or the stardate system.  Regardless, all official ship business is required to be recorded in the stardate system.
@@ Line 55: / Line 55: @@
 Below is a table defining the stardate time measurement system in comparison to the Terran system:
-|  |  Stardate system  |  Terran system  |  |
+|  |  //Stardate system//  |  //Terran system//  |  |
-|  1 Second is…^  8,058,261,009.582  ^  9,192,631,770  |Vibrations of Cs-133 at -273.15°C  |
+|  1 Second is…^  --  ^  9,192,631,770  |Δ//v//<sub>Cs</sub> at 0K  |
-|  1 Minute is…^  483,495,660,575  ^  551,557,906,200  |Vibrations of Cs-133 at -273.15°C  |
+|  1 Minute is…^  483,495,660,575  ^  551,557,906,200  |Δ//v//<sub>Cs</sub> at 0K  |
-|  1 Hour is…^  29,009,739,634,495.2  ^  33,093,474,372,000  |Vibrations of Cs-133 at -273.15°C  |
+|  1 Hour is…^  --  ^  33,093,474,372,000  |Δ//v//<sub>Cs</sub> at 0K  |
-|  1 Day is…^  290,097,396,344,952  ^  794,243,384,928,000  |Vibrations of Cs-133 at -273.15°C  |
+|  1 Day is…^  290,097,396,344,952  ^  794,243,384,928,000  |Δ//v//<sub>Cs</sub> at 0K  |
-|  1 Year is…^  290,097,396,344,952,000  ^  290,097,396,344,952,000  |Vibrations of Cs-133 at -273.15°C  |
+|  1 Year is…^  290,097,396,344,952,000  ^  290,097,396,344,952,000  |Δ//v//<sub>Cs</sub> at 0K  |
-|  ||||
+|  <wrap lo>seconds</wrap>  ||||
 |  1 Minute is…^  60  ^  60  |seconds  |
 |  1 Hour is…^  3,600  ^  3,600  |seconds  |
 |  1 Day is…^  36,000  ^  86,400  |seconds  |
 |  1 Year is…^  36,000,000  ^  31,557,600  |seconds  |
-|  ||||
+|  <wrap lo>minutes</wrap>  ||||
 |  1 Hour is…^  60  ^  60  |minutes  |
 |  1 Day is…^  600  ^  1,440  |minutes  |
 |  1 Year is…^  600,000  ^  525,960  |minutes  |
-|  ||||
+|  <wrap lo>hours</wrap>  ||||
 |  1 Day is…^  10  ^  24  |hours  |
 |  1 Year is…^  10,000  ^  8,766  |hours  |
-|  ||||
+|  <wrap lo>days</wrap>  ||||
 |  1 Year is…^  1,000  ^  365.25  |days  |
 <tabbox Measures>

RepublicWiki

User Tools

Site Tools

Differences

Page Tools