Question

question 2
bonus: the object known as sgr a* in the center of our galaxy is:
thought to contain a black hole of a few million solar masses.
a protogalactic cloud that is a source of bright ultraviolet emission.
a location where spiral arms join to create a bright cloud of radio emission.
an accretion disk surrounding an exploding white dwarf star.

Explanation:

Sgr A* is widely believed to be a super - massive black hole at the center of the Milky Way galaxy with a mass of a few million solar masses.

Answer:

thought to contain a black hole of a few million solar masses.