alaxy? Explain.
Q: What color is the center of this galaxy and why?
A: The supermassive black hole is the centre of the galaxy is located at inside the bright white patch…
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: The hydrogen Balmer line has a wavelength of 486.1 nm. It is shifted to 552 nm in a galaxy's…
A: The red shift of hydrogen is, 1+z=λ2λ1z=552486.1-1 =0.1356
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: What are the three main types of galaxies, and what are the peculiarities? What type is the Milky…
A: There are three main types of galaxies. They are, spiral galaxies, elliptical galaxies, and…
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: = 2. Using a Hubble constant of Ho 70 km/s/Mpc, find the distance to the galaxy cluster that moves…
A: Distance to the galaxy cluster is 92.8571 Mpc or 3.029×108light years. Explanation:Hubble's law…
Q: A given star orbits the center of its galaxy at an average speed of v_star, at a distance of r_star…
A: Given, Velocity of star,vS=200km/s=200×103m/sRadius of star,RS=9 kpc=9×3.086×1019mVelocity of…
Q: In the image below you see two interacting galaxies; one is nearly face -on and the other is nearly…
A: The shape of the galaxies says the evidence of the tidal disruption.
Q: 21-centimeter radiation observations of the galaxy reveal a. the location of neutral hydrogen…
A: Correct Option is "a"
Q: Disk population stars have I. circular orbits in the plane of the galaxy II. randomly…
A:
Q: why do you have to know the distance to a galaxy to find its mass?
A: The orbital motion of stars explains the masses of galaxies. The stars in a heavier galaxy exhibit…
Q: The Andromeda Galaxy is a member of the Local Group of galaxies. It is approaching us. Does this…
A: Given Andromeda galaxy is member of the local group of galaxies approaching us. Hubble law Hubble…
Q: igure 2: Left: A picture of a nearby galaxy taken with an ultraviolet telescope. Right: A picture of…
A:
Q: Indicate whether the following statements are true or false. (Select T-True, F-False. If the…
A: T T T F T T
Q: Our galaxy is suspected to be surrounded by a galactic corona because the disk of the galaxy a.…
A: Introduction: A galactic corona is used to describe a hot, ionized, gaseous component in the…
Q: what are some fundamental properties of late type galaxies that our theories of galaxy formation…
A: All those galaxies which are included under Spiral and Irregular Galaxies are termed as Late Type…
Q: Find the equivalent of Kepler's three laws of motion if the gravita- tional force were to behave…
A:
Q: If the active core of a galaxy contains a black hole of 10°M, (1 million solar masses), what will…
A: mass of black hole, M=106 MΘ=106*2*1030=2*1036 Kg radius of orbit,r=0.33 Au=0.33*1.5*1011=0.495*1011…
Q: Describe the cluster method for measuring a galaxy’s mass.
A: Cluster Method (or) Lensing cluster Mass Estimation: We know that the gravitational lensing is one…
Q: For the picture below what is the differences of light spectra of different galaxies. compared to a…
A: The spectrum given here refers to the absorption spectrum. The distant stars and galaxies absorb the…
Q: If the active core of a galaxy contains a black hole of 106 Me, what will the orbital period be for…
A:
Q: What is the name for the spherical cloud of thinly scattered stars and globular clusters that…
A: Given : What is the name for the spherical cloud of thinly scattered stars and globular clusters…
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: 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: Advanced Physics Discuss briefly how i) the value of rotation parameters of the galaxy can be…
A: Advanced Physics Discuss briefly how i) the value of rotation parameters of the galaxy can be…
Q: At the speed of light, approximately how long would it take to travel all the way across the Milky…
A: Milky way galaxy length(diameter) is about 100,000 light-years. And 1 light-year is the distance…
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: 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: hat are the characteristics of an E7 Galaxy? What about E0 galaxy? Explain.
A: E is the letter by which Elliptical galaxies represented. These elliptical galaxy are label as En…
Q: 6. If a spiral galaxy is 20' in diameter and you measure its distance to be 1 Mpc, what is its…
A:
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: Describe the age and temperature of stars that make up spiral galaxies and their location.
A: A galaxy can be bombarded by other, smaller galaxies. Even if a galaxy is isolated, internal…
Q: How do we know there are supermassive black holes driving active galaxies? a. The cores fluctuate…
A: In this problem, The given data- How do we know there are supermassive black holes driving active…
Q: If a galaxy is 100,000,000 parces away and has absolute magnitude of -20.0 what is the galaxies…
A:
Q: If a galaxy contains a supernova that at its brightest has an apparent magnitude of +21, how far…
A: Apparent magnitude mV = + 21 Absolute magnitude MV = - 17
Q: The galaxy picture below would best be classified as O Elliptical galaxy O Spiral Galaxy
A: Spiral galaxy
Q: The lower limit of the mass of the galaxy is a. 100 solar masses. b. 100,000 solar…
A: A lower mass limit is provided because of the timing argument. The timing argument states that all…
Q: Identify a feature of the Whirlpool Galaxy that is visible in all several types of light. Explain…
A:
Q: Globular clusters revolve around the Galaxy in highly elliptical orbits. Where would you expect the…
A: A globular cluster is densely packed group of stars bound together by gravity. These clusters are…
Q: Which one of these types of galaxies do you expect to have the largest star formation activity?…
A: A galaxy which has high relative flux density, which shows it has a dense region that helps in more…
Q: What type of galaxy is NCG 1317? a. E5 b. SBa c. S0 d. Sa
A:
Q: How the Hubble law allows you to estimate the distances to galaxies? Explain
A: The Hubble's law is important law in astrophysics to measure the distance and velocities of the…
Q: The surface brightness profiles of elliptical galaxies follow the Sersic formula with n = 4. How…
A:
How astronomers determine the distance of a galaxy? Explain.
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