Question

fill in the blanks :--

An enormous collections of stars , planet , dust and gas which contain an average of 100 billion solar mass and ranges in diameter from 1,500 to 300,000 light years .............​

Answer 1

Answer:

Galaxies

Explanation:

A collection of stars, gas and dust that make up the universe. A galaxy contains an average of 100 billion solar masses (or 100 billion times the weight of the sun) and ranges in diameter from 1,500 to 300,000 light-years