The observed relationship between the masses of central black holes and the bulge masses of galaxies implies that ________
A) the black hole will eventually suck in the rest of the galaxy
B) galaxy formation and supermassive black hole formation must be related somehow
C) quasars were more common 10 billion years ago than they are today
D) the biggest galaxies have the most luminous quasars
B
You might also like to view...
A double slit that is illuminated with coherent light of wavelength 644 nm produces a pattern of bright and dark fringes on a screen 6.00 cm from the slits
If the slits are 2783 nm apart, what is the distance on the screen between the 4th and the 2nd bright fringes on one side of the central maximum? A) 23.0 cm B) 17.6 cm C) 11.5 cm D) 3.13 cm E) 14.7 cm
Why is magnifying power the least important of the three powers of a telescope?
What will be an ideal response?
This photo shows a slice of a meteorite. What is its significance?
A) The shiny metal flakes embedded in rock are just what we expect if condensation really occurred as the nebular theory predicts. B) It shows that accretion really did make objects many kilometers in size during the early stages of the formation of our solar system. C) The surprisingly flat face of the meteorite indicates that the solar nebula must have been hot in the region in which this meteorite formed. D) The structure and composition of the meteorite show that material that condensed beyond the frost line really did differ from material that condensed within the frost line.
The lookback time of the cosmological horizon is
A) the Big Bang. B) the age of the universe. C) 1 billion years. D) 10 billion years.