Quasi-stellar objects were first detected as   a. double-lobed spiral galaxies.   b. faint points of light with peculiar emission spectra.   c. large regions of X-ray emissions.   d. starlike objects with normal stellar emission spectra.   e. galaxies with normal stellar emission spectra.

Q: The traditional theory of the formation of our galaxy CANNOT explain   a. the existence of the disk…

A: a. The existence of the disk of the galaxy

Q: Where is the bulk of the mass concentrated in the region depicted here? 133 Anten Milky Way.. SMC…

A: The above pic is the pic of the local group, which consists of    The Milky Way  The Andromeda…

Q: Current evidence suggests that the universe is   a. flat, infinite, and neither expanding nor…

A: To determine: The correct option.

Q: Galaxy will emit synchrotron radiation as a sun forms

A: The star forming region of a Spiral Galaxy will emit synchrotron radiation as a sun forms in the…

Q: All Radio Galaxies have the following number of plasma jets and lobes a) 2  b) 5  c) 1  d) 4…

A: Radio galaxies have two plasma jets and lobes.

Q: The approximate diameter of the disk of the Milky Way is   a. 8.0 A.U.   b. 8.0 light-years.   c.…

A: To determine diameter of the disk of the milky way

Q: What started the clumping of matter in the early universe that eventually became the seeds of…

A: The force that is carried by the field of virtual astronomical particles in the quantum field is…

Q: If the universe is closed and finite, then   a. the universe has a center and an edge.   b. the…

A: If the universe is closed and finite, then the final fate of the universe will be very cold and of…

Q: The big bang happened   a. in the Hyades cluster.   b. in the Virgo cluster.   c. in the…

A: The big bang happened in all of these locations.

Q: Explain how the Hubble law allows you to estimate the distances to galaxies.

A: According to Hubble's law, the velocity of galaxy with respect to earth is directly proportional to…

Q: A planetary nebula is visible due to ____.

A: The nebula is the bright area in the sky, which can be cloud of stars or gas.

Q: The large black hole at the center of our galaxy is estimated to be a. 3.7 solar masses. b.…

A: Given : Asked to choose the correct option for the mass of the large black hole present at the…

Q: E.E. Barnard contributed to the understanding of our galaxy by________.     all of these are…

A: E.E. Barnard contributed to the understanding of our galaxy by________.

Q: Suppose you wanted to measure the distance to an elliptical galaxy around 5 Mpc away using variable…

A: Given: To measure the distance in an elliptical galaxy having 5 Mpc used as the variable stars. To…

Q: True or False: Dwarf elliptical galaxies and giant ellipticals probably formed in entirely different…

A: To find true or false: Dwarf elliptical galaxies and giant ellipticals probably formed in entirely…

Q: Which of the following might you expect to be an additional consequence of the fact that galaxies…

A: Given Which of the following might you expect to be an additional consequence of the fact that…

Q: 2. Suppose an absorption line in a spectrum of light from a very distant galaxy is 5015 Angstroms.…

A: Write the expression for the Dopler’s effect and solve for the speed (v) of the separation, that is…

Q: The first stars to form in our galaxy a. had circular orbits. b. had highly elliptical…

A: Population 1 stars are the newer and younger stars.

Q: The theory that waves of compression move around the galaxy triggering star formation is called   a.…

A: In general, flocculation theory is a process in which the smaller sizes particles gets collided with…

Q: 8. Milky Way The Sun is a star in the Milky Way galaxy. When viewed from the side, the galaxy looks…

A: Diameter is Thickness is Note:Speed of light is Find:(a) The diameter and thickness in (b) The…

Q: What type of galaxy is NCG 1317? a. E5 b. SBa c. S0 d. Sa

A: