What would you prefer? The astrophysical process you’re referring to is called accretion [1]. It is a single word that covers many different situations that are

What would you prefer? The astrophysical process you’re referring to is called accretion [1]. It is a single word that covers many different situations that are all the result of the same underlying phenomenon: gravity. [1] https://en.wikipedia.org/wiki/Accretion_(astrophysics) https://en.wikipedia.org/wiki/Accretion_(astrophysics)