Convert millennium to second (sidereal)
Please provide values below to convert millennium [None] to second (sidereal) [None], or Convert second (sidereal) to millennium.
How to Convert Millennium to Second (Sidereal)
1 None = 31644001890.3013 None
Example: convert 15 None to None:
15 None = 15 × 31644001890.3013 None = 474660028354.52 None
Millennium to Second (Sidereal) Conversion Table
| millennium | second (sidereal) |
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Millennium
A millennium is a period of 1,000 years.
History/Origin
The term 'millennium' originates from the Latin 'millennium', meaning 'a thousand years'. It has been used historically to mark significant 1,000-year periods, often in religious or historical contexts.
Current Use
Today, 'millennium' is commonly used to refer to the 1,000-year period from the year 2000 to 3000 or to describe a span of a thousand years in various contexts such as history, planning, and cultural references.
Second (Sidereal)
A second (sidereal) is the time measurement based on Earth's rotation relative to distant stars, approximately 3 minutes shorter than the solar second, used in astronomy.
History/Origin
The sidereal second has origins in astronomical observations of Earth's rotation relative to distant celestial objects. It was established to provide a precise time standard for celestial measurements, differing from the solar second used in everyday timekeeping.
Current Use
The sidereal second is primarily used in astronomy and astrophysics for precise time measurements related to celestial events, star tracking, and satellite navigation systems.