What are the oldest-known objects in the Milky Way?*1 pointactive galactic nucleidwarf ellipticalsglobular clustersblack holes

At the center of our Galaxy liesGroup of answer choicesa black hole of millions of solar masses.a huge emission nebula.the largest of all globular clusters.a quasar.an intensely bright visible superstar.

It now seems highly likely that in the center of most galaxies is to be foundGroup of answer choicesa super-massive black holea neutron stardusta stellar-mass black hole

Most of the mass of the Milky Way seems to exist in the form ofGroup of answer choicespopulation II stars in the Halo.the black hole in the Galactic Center.hydrogen gas in the disk and spiral arms.dark matter out in the Halo.population I stars in the disk.

What type of galaxy is the our Milky Way?spiraleccentricellipticalirregular

Recall which of the following is made up of the Milky Way, the Andromeda galaxy and a few smaller galaxies. The Interstellar NeighbourhoodThe Local GroupThe Virgo SuperclusterThe universe