How Chandrasekhar limit is the largest unit of mass?
Please give logical and satisfied answer....i don't want pasted one from google..
Answers
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Explanation:
Mass is independent of physical conditions such as temperature, pressure or place (location in the space).
the dimension is [M^1L^0T^0]
Like length, mass of the various entities in this universe can vary from as light as 10^–31 kg (electron) to as massive as the universe of the order of 10^55 kg. Some units such as:1 metric ton = 1000 kg, Quintal = 100 kg, Slug = 14.57 kg are commonly used.
The largest practical unit of mass is Chandrasekhar limit (CSL).
1 CSL = 1.4 times the mass of sun.HERE, CSL IS CONSIDERED LARGEST AS NO OTHER PHYSICAL QUANTITY CAN EXPRESS SUCH A HUGE MASS IN SMALL UNITS THAT MAKES IT CONVENIENT FOR CALCULATIONS.
Because units of mass (like units of anything) are used to quantify other things, eg. the star Betelgeuse has a mass about 10x that of the sun - a solar mass is a useful sized unit rather than writing a very long answer in Kg. Using the Chandrasekhar limit doesn't really gain anything in understanding.
Possibly they are more universal in that they are the same everywhere, while solar mass is a local unit. If we ever need to read astrophysical papers from an alien civilisation this might become a minor issue (like reading USA weather reports).
You could argue that using the minimum theoretical mass for a star would be more useful to compare different stars - since no answer would be a fraction. But mainly we would have to re-learn the axis on all those diagrams.
In larger scale cosmology the mass of a galaxy might be a more useful unit.