TROPICAL YEAR Meaning and
Definition
-
A tropical year is a unit of time used in astronomy and calendar systems that represents the length of time required for the Earth, on average, to complete one orbit around the Sun. Specifically, it is the time between two successive occurrences of the vernal equinox, when the plane of the Earth's equator intersects the geometric plane of the Earth's orbit around the Sun.
The duration of a tropical year is approximately equivalent to 365.24219 days or 365 days, 5 hours, 48 minutes, and 45 seconds. This discrepancy between a tropical year and the commonly used calendar year, which consists of 365 days, is the reason for the inclusion of leap years in our calendars every four years. By adding an additional day in February, the average length of a calendar year is brought closer to the length of a tropical year.
The concept of a tropical year is fundamental for astronomical calculations, particularly in the development of calendars for different civilizations throughout history. It serves as a crucial reference point for determining the seasons and influencing the rhythms of nature, agriculture, and the measurement of time.
The determination of the precise length of a tropical year has evolved over time, refined through continuous observations and astronomical calculations. Today, with the aid of advanced technology and scientific tools, the duration of a tropical year can be measured with remarkable accuracy, contributing to various scientific, societal, and cultural applications.
Common Misspellings for TROPICAL YEAR
- rropical year
- fropical year
- gropical year
- yropical year
- 6ropical year
- 5ropical year
- teopical year
- tdopical year
- tfopical year
- ttopical year
- t5opical year
- t4opical year
- tripical year
- trkpical year
- trlpical year
- trppical year
- tr0pical year
- tr9pical year
- trooical year
Etymology of TROPICAL YEAR
The etymology of the word "tropical year" can be broken down as follows:
1. Tropical: The word "tropical" originates from the late Latin word "tropicus", which means "of or pertaining to the solstice". This, in turn, comes from the Greek word "tropikos", meaning "of or turning towards the solstice". The word "tropical" is used to describe the region of the Earth between the Tropic of Cancer and the Tropic of Capricorn, where the sun can directly appear overhead at least once during the year.
2. Year: The word "year" has its roots in the Old English word "gear", which itself derives from the Old High German word "jār". These words ultimately trace back to the Proto-Germanic word "*jǣran", meaning "season, year".
Similar spelling words for TROPICAL YEAR
Infographic
Add the infographic to your website:
