Hubble Space Telescope observations have shown that when the mass of the central black hole is very large, then
A) the mass of the halo and disk of the host galaxy is also very large.
B) the host galaxy is eventually completely consumed by the black hole.
C) the galaxy is always a spiral galaxy.
D) the mass of the bulge of the host galaxy is also very large.
Question 2
The flatness problem is the fact that the observed density of matter is unexpectedly different from the critical density predicted by the inflationary epoch.
Indicate whether the statement is true or false
Gallery of Xylosandrus crassiusculus split open, with pupae and black fungus
Leaf from a Black Walnut tree
black widow spider
Central portal of the west facade, Reims Cathedral, France.
Cyanosis as shown here at the patient’s fingertips results from a lack of oxygen in the tissues
Determine the mass percent of Fe3+ in a 0.546g sample of iron ore, if 22.40 mL of a 0.1000 M ...