What part did globular clusters play in the determination of the size and shape of the Milky Way?
Q: A globular cluster is located 4.57 kpc interior to the Sun's orbit and 7.93 kpc below the disk of…
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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: If a standard passenger aircraft can fly at 0.37 km/s (828 mph), how long (in yr) would it take to…
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Q: Let us assume that our galaxy consists of 2.5 × 1011 stars each of one solar mass. How long will a…
A: Mass of the galaxy is
Q: 4) Express the uniform vector field F = 5 ā, in a) cylindrical components; b) spherical components.
A: 4) Given: Uniform vector field in rectangular coordinate system, F→=5 a→x To find: a) Cylindrical…
Q: The number of stars in the Milky Way Galaxy is approximately
A: Number of stars in Milky way galaxy
Q: If a galaxy contains a supernova that at its brightest has an apparent magnitude of +15, how far…
A: Given The apparent magnitude of the supernova, mv =+15The absolute magnitude of the supernova, Mv…
Q: random times over the last 1010 years. The rate of star formation is simply the number of stars…
A: Number of stars in our milky Way galaxy is N=9×1010 Time taken in the formation of a plane
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: A galaxy cluster has a recessional velocity of 19,000 km/s. Using the best estimate for Hubble's…
A: To calculate the distance of the distant galaxies in megaparsecs (Mpc) Hubble’s law is used. If the…
Q: Astronomers estimate the mass of the stars in a certain galaxy to be about 3.040 kg, and the total…
A: It is given that the mass of the stars in a certain galaxy is ms=3.040 kg, and the total mass of the…
Q: If a galaxy contains a supernova that at its brightest has an apparent magnitude of +15, how far…
A: The magnitude-distance formula be defined as, d=10mV-MV+55 Where, MV be defined as the absolute…
Q: If a galaxy has an apparent radial velocity of 4000 km/s and the Hubble constant is 70 km/s/Mpc, how…
A: Hubble's law states that galaxies move away from Earth with a velocity proportional to their…
Q: If you find a galaxy that contains globular clusters that are 2" in diameter, how far away is the…
A: Given Data The diameter of cluster is:D=25 pc=7.714×1017 m The globular cluster is:θarcsecond=2…
Q: Now, rank the same objects by increasing temperature. For spherical objects, use the surface…
A: Intercloud gas: The gases other than intersteller gases present in space are known as intercloud…
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 very first "image" of a black hole, at the centre of galaxy M87, was recently taken by the Event…
A: Given: The wavelength of the hydrogen line is λ = 21 cm The diameter of the earth is D = 12742 km…
Q: How is the turnoff point on the H-R diagram of a cluster related to the cluster’s age?
A: Given:- The turnoff point on the H-R diagram of a cluster related to the cluster’s age Explain:- How…
Q: How often (in years) does a planetary system form in our galaxy?
A: Number of stars in our galaxy = 3 x 1011 stars time to consider = 1010 years rate of star formation…
Q: Suppose you observe a star orbiting the galactic center at a speed of 1100 km/s in a circular orbit…
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Q: What kinds of objects lie in the halo of a spiral galaxy?
A: Given :- Spiral galaxy and what kinds of objects lie in the halo of it.
Q: Milky Way galaxy has about 5 x 10° solar masses of gas in total. If 13 solar masses of that gas is…
A: Thousands of stars, dust particles, and gas fill the Milky Way. Observing it from the top or bottom…
Q: What are globular clusters and what did the ones in the Milky Way help us to measure?
A: SPACE AND ASTRONOMY
Q: If the sun is 4.6 billion years old, how many times has it orbited the Milky Way? (The sun is 8,300…
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Q: It seems that most of the mass in the Milky Way (about 95%) is made of some sort of matter that does…
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Q: If a galaxy has an apparent radial velocity of 2,319 km/s and the Hubble constant is 70 km/s/Mpc,…
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Q: Imagine that you have achieved immortality and you used it to travel outside of the Milky Way (you…
A: If you were to leave the Milky Way and travel at 1/10th of the speed of light, it would take you…
Q: Hotter, more massive stars are virtually absent from globular clusters. What does this tell us?…
A: Globular clusters are clusters of stars, that are nearly symmetrical and round shaped clusters.…
Q: The most mass of our Milky Way is contained in an inner region close to the core with radius Ro.…
A: Hello. Since your question has multiple sub-parts, we will solve the first three sub-parts for you.…
Q: The Andromeda Galaxy is 2 million light years away from the Milky Way. How far away is the…
A: A light year is the distance travelled by the light in a year
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: Why are interstellar lines so narrow?
A: Spectral lines are formed due to electrons making transitions between the energy levels inside the…
Q: why does the galaxy shown below have so much dust in its disk? How big do you suppose the halo of…
A: A halo is an extended, almost spherical component of a galaxy which extends beyond the main, visible…
Q: A star at a distance of 50000 light years from the center of a galaxy has an orbital speed of 100…
A: Distance of the star from the center of the galaxy, r = 50000 ly The orbital speed of the star, v =…
Q: From the lists below, choose the one that best ranks the following astronomical objects from closest…
A: The distance of the Jupiter from the Earth,
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: how far away is the galaxy
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Q: Assume that an average globular cluster is 25 pc in diameter. If you observe a galaxy that contains…
A: For the small angle, the approximation is, sin θ≅ tan θ ≅ θIf the angle θ is expressed in…
Q: What is at the center of the Milky Way Galaxy?
A: Required: What is at the center of the Milky Way Galaxy?
Q: (a) Rank the following components of the interstellar medium in order of the wavelengths at which…
A: (a). Components of the interstellar medium are detected due to the interaction between photons of…
Q: What evidence has been found that suggests a black hole at the center of our galaxy?
A: The centre of every galaxy is a matter of great curiosity for astronomers. Blackhole is the object…
Q: If a galaxy contains a supernova that at its brightest has an apparent magnitude of +18, how far…
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Q: Given an image of a disk galaxy, you have measured that the average surface brightness at two radii…
A: Given that, The disk surface brightness profile has the exponential form of, I(R) = e^(–R/Rd)…
Q: Suppose you want to observe the molecular gas in a galaxy with redshift z using the rotational…
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