One of the main reasons we are studying this topic is to bridge with the astronomy unit that is being covered in science.
From the desmoinesregister.com
In astronomy, the minute is a unit of angle, the minute of right ascension.
From the en.wikipedia.org
Earth radius is also used as a unit of distance, especially in astronomy and geology.
From the en.wikipedia.org
The Julian year, as used in astronomy and other sciences, is a time unit defined as exactly 365.25 days.
From the en.wikipedia.org
In astronomy, luminosity is the amount of electromagnetic energy a body radiates per unit of time.
From the en.wikipedia.org
In Chinese astronomy, right ascension and declination have the same unit, which is not the one used for other angular distances.
From the en.wikipedia.org
It is used in those fields which require a unit for the expression of small angles, such as astronomy, navigation and marksmanship.
From the en.wikipedia.org
In astronomy, luminosity is the amount of light, and other forms of radiant energy, a star radiates per unit of time.
From the en.wikipedia.org
It is used in those fields which require a unit for the expression of small angles, such as astronomy, optometry, ophthalmology, optics, navigation and marksmanship.