The solar mass (Mâ) is a standard unit of mass in astronomy that is used to indicate the masses of other stars, as well as clusters, nebulae and galaxies. It is equal to the mass of the Sun, about two nonillion kilograms :
The semicolon or semi-colon (;) is a punctuation mark that separates major sentence elements. A semicolon can be used between two closely related independent clauses, provided they are not already joined by a coordinating conjunction. Semicolons can also be used in place of commas to separate items in a list, particularly when the elements of that list contain commas.
Semicolon (;) The main task of the semicolon is to mark a break that is stronger than a comma but not as final as a full stop. The road runs through a beautiful wooded valley; the railway line follows it. An art director searched North Africa; I went to the Canary Islands.