Stars have the greatest metal content in which region of the Milky Way Galaxy? a. in the galactic halo b. in the nuclear bulge c. in the disk d. in the core e. in the spherical component
Q: Suppose that the outer stars of a galaxy have an orbital velocity of 150 km/s. If the radius of the…
A: Given data: rgalaxy=4 kpcv=150 km/s Need to determine the orbital period of the outer stars.
Q: An important part of the lifecycle of galaxies like the Milky Way is the self regulation of…
A: Required : The correct choice.
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 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: Which among the following is the distributive law for the cross product of three vectors? a)…
A: Option a
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: 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: The number of stars in the Milky Way Galaxy is approximately
A: Number of stars in Milky way galaxy
Q: 21-centimeter radiation observations of the galaxy reveal a. the location of neutral hydrogen…
A: Correct Option is "a"
Q: Heavier elements like carbon, nitrogen and iron are spread out into space mainly through a.…
A: Some 14 billion years ago, a massive explosion occurred which is called the big bang. It created the…
Q: Disk population stars have I. circular orbits in the plane of the galaxy II. randomly…
A:
Q: What factors resist the contraction of a cloud of interstellar matter?
A: Interstellar matter is defined as the space between the stars' systems in the galaxy. It is made…
Q: igure 2: Left: A picture of a nearby galaxy taken with an ultraviolet telescope. Right: A picture of…
A:
Q: If we find a galaxy that is moving away at 72,000 km/s, what does Hubble’s law tells us about the…
A:
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: 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: The Virgo galaxy Cluster Much smaller than the Local Group. Contains 35 galaxies.…
A: the Virgo cluster forms the heart of the larger Virgo supercluster that comprises approximately…
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 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: 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: If the active core of a galaxy contains a black hole of 106 Me, what will the orbital period be for…
A:
Q: When a force, F = (4i - 6j) N is exerted on a body, the body is displaced by s = (-5i - 8j) m.…
A: power is word done per unit time and , work = force x displacement
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: If the active core of a galaxy contains a black hole of 10° Mo, what will the orbital period be for…
A: This problem can be solved using the formula for circular velocity and then dividing the distance by…
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 the Hubble constant equals 70 km/s/Mpc, the age of the universe roughly equals a. 6 billion…
A: Given:Hubble's constant H=70km/s/MpcTo find:Age of universe=??
Q: 8. If a galaxy has an apparent radial velocity of 2000 km/s and the Hubble constant is 72 km/s/Mpc,…
A: Using Hubble's law we can solve this
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: The center of our galaxy lies in the direction of the constellation of a. Ursa Minor. b. Ursa…
A: Milky Way: M.W galaxy holds our solar system. Our galaxy falls into a category of barred spiral.…
Q: A two-arm spiral density wave is moving through the Galactic disk. At the 8-kpc radius of the Sun's…
A:
Q: An astronomer observed the motions of some galaxies. Based on his observations, he made the…
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: 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: 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: Assume that the orbital speed of a star is measured at a distance of 15 kpc from he center of our…
A:
Q: The largest structures in the universe are a. star clusters. b. galaxy clusters. c. galaxy…
A: Given, Structures in the universe
Q: Why are interstellar lines so narrow?
A: Spectral lines are formed due to electrons making transitions between the energy levels inside the…
Q: describe the characteristics of the various kinds of interstellar gas (HII regions, neutral hydrogen…
A: Star formation is generally more active in the denser, inner part of the Milky Way than in the outer…
Q: The oldest globular clusters are a. 3 to 4 billion years old. b. 6 to 7 billion years old.…
A: The oldest globular clusters is NGC 121 around 9 to 10 billion years old.
Q: What is the differences between an E7 and an E0 galaxy? Explain.
A: To explain the correct answer is given below,
Q: What is the magnitude of the merger of two galaxies which have the magnitudes m1 and m2?
A:
Q: A star in the Milky Way that is about 60 percent of the way out from the center of the galaxy has an…
A: Answer: Detail solution in below.
Q: What is at the center of the Milky Way Galaxy?
A: Required: What is at the center of the Milky Way Galaxy?
Q: The gas in the outer region of the Andromeda galaxy is found to be orbiting the galaxy with a…
A: Given Velocity of gas = u = 250 km/s = 250000 m/s Radius of orbit from the center = r = 35kpc = 35 ×…
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: Describe the structure of the Milky Way galaxy, including its spiral arms, central bulge, halo, and…
A: The Milky Way galaxy is a barred spiral galaxy, which means it has a central bar-shaped structure…
| a. |
in the galactic halo
|
|
| b. |
in the nuclear bulge
|
|
| c. |
in the disk
|
|
| d. |
in the core
|
|
| e. |
in the spherical component
|
Step by step
Solved in 2 steps
