Estimate the mass contained in the Milky Way galaxy blackhole.
Q: Pretend that galaxies are spaced evenly, 4.0 Mpc apart, and the average mass of a galaxy is 1.0 x…
A:
Q: The cosmic microwave background consists of: huge clouds of dark matter interspersed with equally…
A: Cosmic microwave background also known relic radiation. Cosmic microwave background is kind of…
Q: If there is no observable edge to the universe, can we determine where its center of expansion is?…
A: Let’s explain by taking a simple example of a balloon analogy to explain the expansion of the…
Q: Pretend that galaxies are spaced evenly, 8.0 Mpc apart, and the average mass of a galaxy is 1.0 ✕…
A: Average density of the matter in the universe ρavg=M43πd23=6Mπd2
Q: In galaxy clusters, most of the galaxies appear to be elliptical galaxies because O They formed…
A: Galaxy clusters, most of the galaxies appear to be elliptical galaxies because......... Given:…
Q: Calculate the critical density of our universe.
A: Our universe is expanding and critical density is defined as the average density of matter that is…
Q: Explain how the temperature of hot gas can be used to find out about the gravitational pull of a…
A: Given: The hot gas temperature which is used to find the gravitational pull To find: The explanation…
Q: Given the redshift of a galaxy is 0.440 the observed wavelength is 480 nm. What is the actual…
A: When the source of electromagnetic radiation is moving away from the observer the radiation will…
Q: The most mass of our Milky Way is contained in an inner region close to the core with radius Ro.…
A: As per guidelines, the first three sub-parts have been answered.
Q: What is the recession speed of a galaxy cluster which is 50Mpc away from Earth? Is the light from…
A: Hubble Law It state that distant galaxies are moving away from our earth with a recession…
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: 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: The Lyman a line in a galaxy's spectrum was observed to be 208 nm. Calculate the Doppler redshift.
A: When there is relative motion between observer and source the wavelength observed will e shift. When…
Q: Give the peak wavelengths, λpeak, for each of the following cases. State which portion of the…
A: Given,
Q: he Milky Way's
A:
Q: Explain how the Hubble constant, H0, can be used to make an estimate for the age of the Universe.…
A: Hubble's Law gives us the conclusion that the universe is always expanding. It takes very short…
Q: Find the density (in atoms per cubic centimeter) of a Bok globule having a radius of 1 light-year…
A:
Q: Estimate the critical density of the universe if the Hubble's constant was 100 km/s/Mpc.
A:
Q: Estimate the critical density of the universe if the Hubble's constant was 50 km/s/Mpc.
A: The minimum density that is required to stop the expansion of the universe is defined as the…
Q: Given the age of a universe as 15.6 billion years. A galaxy is found to be moving at 620 km-s-1 from…
A: Hubble time is the amount of time it took for a universe to reach its current state. For calculating…
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: If the mass density of the universe is above the critical density as it appears to be with the mass…
A: Given, The mass density of the universe is above the critical density.
Q: 4) Calculate the redshift of a galaxy with a recessional velocity of 0.68c. (
A: When a celestial object is moving away from the observer the light observed from the object will…
Q: What is meant by the critical density of the universe? Why is this quantity important to…
A: The critical density is the average density of matter necessary for the Universe's expansion to come…
Q: 5) The recessional velocity of a galaxy is found to be 0.52c. Calculate the redshift.
A: Redshift takes place when the source is moving away from the observer. This reduces the frequency…
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- Distance Based on the graph above, the expansion rate of galaxies near us is than galaxies that are farther away. O faster slower O the same rate VelocityA 7 GHz radio wave is emitted from a galaxy and is observed to be 5 GHz. Calculate the redshift of the galaxy.Estimate the critical density of the universe if the Hubble's constant was 100 km/s/Mpc.