Final answer:
Astrophysical jets are associated with supermassive black holes at the centers of galaxies, quasars which are energetic young galaxies with black holes at their core, and active galactic nuclei where energy comes from material falling into a hot accretion disk around a massive black hole.
Step-by-step explanation:
Astrophysical jets are powerful streams of plasma that are ejected from the cores of various astronomical objects. These jets are known to be associated with supermassive black holes that lie at the centers of many galaxies, including the Milky Way. Such black holes can have masses millions or billions of times that of the Sun, and they are believed to have formed when matter first coalesced into a galaxy billions of years ago.
Another source of astrophysical jets is quasars, which are very energetic and distant members of the galaxy family. Quasars emit vast amounts of energy from very small regions of space, often less than a light year across. They are young galaxies with a supermassive black hole at their core, which provide the energy for the quasar luminosity and power the jets.
Active galactic nuclei are also associated with astrophysical jets. They derive their energy from material falling into a hot accretion disk around a massive black hole. The energy produced in this relatively small volume of space can account for the large amount of energy emitted.