29. Which of the following statements best describes the distribution of galaxies in the universe? (A) the galaxies lie on sheets and chains surrounding empty regions (B) the galaxies are distributed uniformly in space (C) there are a few large clusters of galaxies with nothing in between (D) there are many clusters near us in space, but nothing beyond

Q: The large look-back times of the farthest galaxies and quasars is about ______________ of the way…

A: The large look-back times of the farthest galaxies and quasars is about ______________ of the way…

Q: the

A: The galaxy with stars bulged at the center surrounded by a disc with arms is called a spiral galaxy.…

Q: An important part of the lifecycle of galaxies like the Milky Way is the self regulation of…

A: Required : The correct choice.

Q: The figure below shows the spectra of two galaxies A and B.  Please can i get help  with this…

A: Dear student as per the QnA guidelines I will be answering the first 3 subparts of this problem…

Q: he age of the universe can be determined if   a. the universe is flat.   b. the amount of dark…

A:

Q: Why do the spiral arms of our galaxy move around the center of the galaxy? a) Spiral arms do not…

A: Normal spirals have arms that emanate from the nucleus, while barred spirals have a bright linear…

Q: responding to a claim that the number of grains of sand was infinite, calculated that the number of…

A: Given information: The Archimedes estimate of the number of grains needed to fill the universe (n1)…

Q: The sun is about 8 kpc from the center of the galaxy. A kpc or kiloparsec is equal to   a. 10…

A: A kpc or kiloparsec is equal to the 1000 parcec Here,  In the option this value is not given

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

A: To determine: The correct option.

Q: If galaxy A is three times more distant than galaxy B, then according to the Hubble law, galaxy A…

A: According to Hubble's law, the recession velocity is proportional to the proper distance of the…

Q: If a galaxy is 9.0 Mpc away from Earth and recedes at 488 km/s, what is H0 (in km/s/Mpc)?  km/s/Mpc…

A: The question above has been given from Hubble's law. This law is also known as the Hubble-Lemaitre…

Q: given: a (distance to center of galaxy in AU) = 1,717,914,439 AU P (suns orbital period in years)…

A: Given: a (distance to center of galaxy in AU) = 1,717,914,439 AU P (suns orbital period in years) =…

Q: The traditional theory states that our galaxy formed   a. as a large spherical cloud of gas that…

A: According to traditional theory the galaxy is formed by the combination of gas and dust particles.…

Q: Pretend that galaxies are spaced evenly, 2.0 Mpc apart, and the average mass of a galaxy is 1.0 x…

A: We know that:-Spherical galaxy average density,ρ=M43πr23         Equation 1r=2.0 Mpcconvert Mpc to…

Q: We know that dark matter must exist in galaxies. If not, many of the stars in a galaxy would ...…

A: Dark Matter is an unknown matter which is not visible. The reason behind its invisibility is, it…

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: When we observe the most distant galaxies what are we looking at?

A: Question: When we observe the most Distant galaxies what are we looking at.

Q: The evidence leads modern astronomers to conclude that at the cores of active galaxies are…

A: Required : Mass of Supermassive Blackholes in terms of solar mass.

Q: Describe the distribution of globular clusters within the galaxy, and explain what that implies…

A: The distribution of globular clusters within the galaxy, and explain what that implies about the…

Q: In which portion of the spectrum is the core of the galaxy invisible?   a. infrared   b. visible…

A: In gamma ray the core of the galaxy invisible

Q: If a galaxy is 9.1 Mpc away from Earth and recedes at 511 km/s, what is H0 (in km/s/Mpc)? 2. What…

A: Note: As per the policy, only the first question will be solved. If you want the solution for other…

Q: he Milky Way's

A:

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: If an O-type star and our galaxy were at the same distance, which would have a greater magnitude? a)…

A: Given: The O-type star and our galaxy at same distance. The apparent magnitude decreases with the…

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: Radio maps of the spiral arms of our galaxy   a. reveal that our galaxy is a grand design spiral.…

A: Radio maps of the spiral arms of our galaxy map the location of dense neutral hydrogen clouds.

Q: 1). Astronomical redshift. A galaxy is observed to be receding from us at a speed of 7500 kilometers…

A:

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: A star at a distance of 50000 light years from the center of a galaxy has an orbital speed of 100…

A:

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: As we discussed, clouds are made of a great many small drops. Really - a great many. Imagine a…

A: As per Bartleby guideline, we will solve first three subparts.  Given that:Volume of cloud, Vcloud=1…

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: Assume that the orbital speed of a star is measured at a distance of 15 kpc from he center of our…

A:

Q: 3 Billion Light-years 2 Billion 2 Billion Light-years Light-years 2.5 Billion 2.5 Billion…

A: Introduction: Hubble's law is the observation that galaxies are moving away from the Earth at speeds…

Q: he supermassive black hole at the center of a galaxy has a mass of 6.5 billion solar masses. If we…

A: Schwarzschild radius is defined as the radius below which the gravitational force becomes so large…

Q: hist alown, cosmic noon and the present day. histor

A:

Q: The largest structures in the universe are   a. star clusters.   b. galaxy clusters.   c. galaxy…

A: Given, Structures in the universe

Q: Supermassive black holes at the center of galaxy are believed to be produced Answer. O by the death…

A: Supermassive black hole have masses of about million or billion times more mass than typical stellar…

Q: Which of the following objects would you expect to be lacking any stars older than 10 billion years?…

A: which of the following objects would you expect to be lacking any stars older than 10 billion years.…

Q: Astronomy Question:  Read the questions slowly and answer with precise and long details about each…

A: Read the questions slowly and answer with precise and long details about each of the questions.…

Q: Olbers’s paradox deals with which of these questions?   a. Is the universe accelerating?   b. Why…

A: Olbers’ paradox deals with: b. Why is the sky dark at night?

Q: Evidence that much of the mass of the universe consist of dark energy has come from __________ a)…

A: Option