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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: 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: suppose a galaxy is What is the recessional velocity of this galaxy?
A: We have to evaluate the recessional velocity of the galaxy Speed of light = 3 x 108 m/s = 3 x 105…
Q: If the local supercluster is 52 Mpc in diameter, how long does light take to travel from one side to…
A: The diameter of the supercluster is given as 52 megaparsecs. 1 parsec = 3.262 light year
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: 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: solar masses. (Hint: Use the formula for circular velocity, V. = VS"; make sure you convert relevant…
A: Given Data: The orbital velocity of a globular cluster is, ve=417 km/s The distance from the centre…
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: Find the equivalent of Kepler's three laws of motion if the gravita- tional force were to behave…
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Q: How did Harlow establish the sun's position in the galaxy and the galaxy's size?
A: Given How did Harlow establish the sun's position in the galaxy and the galaxy's size, as following…
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: Among the globular clusters orbiting a distant galaxy, one is moving at 534 km/s and is located 14…
A: Given data: Speed of the globular clusters around the galaxy is, v= 534 km/s= 534000 m/s Distance of…
Q: If the active core of a galaxy contains a black hole of 106 Me, what will the orbital period be for…
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Q: 4. Our Sun now spins once every 25 days and was formed from the gravitational contraction of an…
A: Given data The time taken by the sun is given as T1 = 25 days. The distance of the cloud is given…
Q: classification helped Darwin understand how creatures evolve. How has classification helped you…
A: Our universe contains million number of stars. These stars continuously emit light radiation, heat…
Q: tudying for test: A new astronomical measurement suggests that the Hubble constant is 1112…
A: Given the new value of of the Hubble constant H0=1112km/s/MpcWe know1Mpc=3.086×1019kmHence…
Q: Explain, which factors will be resulted the shape of Brillouin zone (BZ) in k-space.
A: A Brillouin zone is the locus of all those k-values in the reciprocal lattice which are Bragg…
Q: An elevator has a rated capacity of 1000 kg. It can transport people at the rated capacity between…
A: Given data m=1000 kgd=5 mt=7 sec
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: Astronomy) Cygnus Loop Velocity. If the Cygnus Loop is 25 pc in diameter and is 10,000 years old,…
A:
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: What do you understand by wave? Explain how the formation of hydrogen and helium atoms make it…
A: A wave is a propagating dynamic disturbance of one or more quantities. Waves involve the transport…
Q: What is milky way ?
A: The Milky Way is a barred spiral galaxy, a vast and intricate cosmic structure that contains our…
Q: Another way of explaining a word is to enumerate the different parts of which it is made: “X…
A: The Solar system consists of our star, i.e. the Sun, and planets and heavenly bodies which are…
Q: What is the period-luminosity relation and how did this help determine the size of the Milky Way?
A: In astronomy, a period-luminosity relation is a relationship between the light emitting ( lumonisity…
Q: How do we know andromeda galaxy is moving towards us?
A: Andromeda Galaxy is the closest galaxy to Milky Way at 2.5 million light-years. Unlike other…
Q: What are globular clusters and what did the ones in the Milky Way help us to measure?
A: SPACE AND ASTRONOMY
Q: Briefly discuss and compare the three general types of galaxies.
A: We need to discuss and compare the three general types of galaxies.
Q: One mole of hydrogen gas (molar mass = 2.0 g/mol) has an rms velocity o 2.0 x 103 m/s. To what…
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Q: Assume that the orbital speed of a star is measured at a distance of 15 kpc from he center of our…
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Q: Doppler-shift technology can be used to determine a star's technology has provided evidence that the…
A: Doppler shift is used to determine whether a star is moving towards us or moving away from us.
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: State And Explain Hubbles Law?
A: Hubble’s law states that the distance to a galaxy is proportional to its recession velocity.…
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: How do galaxies form?
A: Two leading theories describe how the first galaxies were created. One says galaxies were born when…
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: Based on the value you have found in problem 3, if the mass of the Sun is about 2.0 x 1030 kg, what…
A: Given data The mass of the sun is given as ms = 2 x 1030 kg. The value found in the previous…
Q: What is Superstring theory?
A: Unification of the particles and the fundamental forces of nature into one theory is known as the…
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: 13-4. The Sun is moving with speed 2.5 X 105 m/s in a circular orbit about the center of the Galaxy.…
A: Given data: speed of sun, v = 2.5 x 105 m/s To find: i) Time period…
Q: Which of the following best describe the reasons we have to infer that a supermassive blackhole…
A: Actually the blackhole is a very higher density object . According to the general theory of…
How did Harlow sharpley determine the suns place in the galaxy, and The scale of our galaxy size?
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