The largest known black holesGroup of answer choicescan be no bigger than the earth, like white dwarfs.can be no more than 1.4 solar masses, according to Chandrasekhar.lie in the cores of the most massive galaxies.can be no bigger than a small city, just like neutron stars.create the dark nebulae in the plane of the Milky Way.

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.

Which one of the following is true about black holes?Group of answer choicesNothing can escape from a black holeThey have small size and very large massThey have small mass and large sizeA and BAll of the above

The largest known star in the universe is*1 pointThe SunBetelgeuseStephenson 2-18Mu Cephei