The largest structures in the universe are a. star clusters. b. galaxy clusters. c. galaxy superclusters. d. filaments and voids. e. galaxies.
Q: 1- As the universe expands, a galaxy which is at a distance of 5.0 x 106 pc, is moving away from…
A: Hello. Since you have posted multiple questions and not specified which question needs to be solved,…
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: 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: Current evidence suggests that the universe is a. flat, infinite, and neither expanding nor…
A: To determine: The correct option.
Q: The objects that are detected at the points where the gas of a radio jet hits the extragalactic…
A: The quasar are small and the powerful source if energy that is active core of very distant galaxies.
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: 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: Astronomers recently claimed to have discovered the most distant galaxy known. How would they have…
A: Astronomers recently claimed to have discovered the most distant galaxy known. How would they have…
Q: 21-centimeter radiation observations of the galaxy reveal a. the location of neutral hydrogen…
A: Correct Option is "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: Galaxy will emit synchrotron radiation as a sun forms
A: The star forming region of a Spiral Galaxy will emit synchrotron radiation as a sun forms in the…
Q: 3. Determine the Schwartzschild radius and the average density of a black hole formed by the…
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: 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 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: 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: Theory predicts that the irregularities in the hot gas of the big bang should be how many degrees in…
A: The cosmologists analyze the irregularities within the intensity of the CMB using sophisticated…
Q: If a very distant galaxy looks overall "blue" to astronomers, from this they can conclude that: O…
A: A region with many young stars appears blue in color. High-mass stars live fast and die young, using…
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: Explain why galaxies can have different shapes. please explain briefly and clearly
A: Reason why galaxies have different shapes : When we gaze up into the night sky, we can see stars…
Q: Which of the following statements about the different types (shapes) of galaxies are correct?…
A: The galaxies in the universe are generally classified into 3 major kinds based on their shapes. The…
Q: Explain how the Hubble law allows you to estimate the distances to galaxies.
A: According to Hubble's law, the velocity of galaxy with respect to earth is directly proportional to…
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: A galaxy is found to be receding at a velocity of 3.0 x 104 km-s-1. Calculate the distance to the…
A: Edwin Hubble discovered through observation that the Universe is expanding. Galaxies are moving away…
Q: How many galaxies are there in the universe?
A: A galaxy is a gravitationally bound system of stars, stellar remnants, interstellar gas, dust, and…
Q: What are the types of galaxies?
A: Required : The types of galaxies.
Q: 6. If a spiral galaxy is 20' in diameter and you measure its distance to be 1 Mpc, what is its…
A:
Q: Under what circumstances would the slope of the best-fitted line in Figure decrease:
A: Required The correct choices.
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: There exists an element visible in the spectrum of galaxies that shows the following spectra when…
A: Introduction: The Doppler effect refers to the apparent shift in the wavelength of a wave when there…
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: 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: Assume that the orbital speed of a star is measured at a distance of 15 kpc from he center of our…
A:
Q: 6) The redshift of a galaxy is observed to be 1.5. Calculate the recessional velocity of the galaxy.
A: Redshift takes place when the source is moving away from the observer. This reduces the frequency…
Q: The Blue hydrogen line has a frequency of 6.90 x 1014 Hz. What will be the observed wavelength of…
A: When the observer and source are in a relative motion the frequency observed will be different than…
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: 3) A supernova of luminosity 1 billion solar luminosities is used as a standard candle to measure…
A: The luminosity of supernova is given as, LSn=1 billion solar luminosities=1×109LS, The distance…
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: Determine which df th fo llowing" equations. can be eigen function equation +and qive tk values an…
A: Since we know Eigen value should satisfy , A^x=ax a. dsinπx2dx= π2cos x=Not eigen function…
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 ×…
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The largest structures in the universe are
a. star clusters.b. galaxy clusters.c. galaxy superclusters.d. filaments and voids.e. galaxies.
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