Galaxies of type___________ show a smooth disk/halo structure, but without spiral arms.
Galaxies of type___________ show a smooth disk/halo structure, but without spiral arms.
Homework Answers
Answer)
Galaxies of type spiral show a smooth disk/halo structure, but without spiral arms.
Astronomers categrized galaxies by shape, and although there are many different types of galaxies but these are four common types of galaxy found in our solar elliptical, spiral, spiral barred and irregular galaxy. Spiral galaxy called milky way was explained by Edwin Hubble 1936. They are two types ordinary and barred. Spiral galaxy has smooth disk and halo component without spiral arms.
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Galaxies of type___________ show a smooth disk/halo structure,
but without spiral arms.
Stars in elliptical galaxies move like the bulge or halo stars in spiral galaxies. a. Why...
Stars in elliptical galaxies move like the bulge or halo stars in spiral galaxies. a. Why can’t the rotation curve method to determine mass be used for elliptical galaxies? b. Masses of elliptical galaxies are often derived from their velocity dispersions. This part illustrates how a velocity dispersion can be determined: The intrinsic line-width of a K giant star might be 0.5 Å at a central wavelength λ0 = 5000 Å. Suppose an elliptical galaxy is observed which has a...
Which of the following is true concerning the motions of stars in spiral galaxies: stars in...
Which of the following is true concerning the motions of stars in spiral galaxies: stars in the bulge have nearly circular orbits, stars in the disk have nearly circular orbits stars in the bulge have nearly circular orbits, stars in the disk have random orbits stars in the bulge have random orbits, stars in the disk have nearly circular orbits stars in the bulge have random orbits, stars in the disk have random orbits
1. How do the stars in the disk of the galaxy differ from the ones in...
1. How do the stars in the disk of the galaxy differ from the ones in the bulge and halo? 2. What triggers formation of stars in the spiral arms of our galaxy?
Problem 18.68 9 of 9 PartA The system consists of a 51-kg disk A, 22-kg slender rod BA, and a 5-kg smooth collar A The system is released from rest when θ 45°. (Figure 1) If the disk rolls without sl...
Problem 18.68 9 of 9 PartA The system consists of a 51-kg disk A, 22-kg slender rod BA, and a 5-kg smooth collar A The system is released from rest when θ 45°. (Figure 1) If the disk rolls without slipping, determine the speed of the collar at the instant 30° Express your answer to three significant figures and include the ap propriate units. Figure 1 of 1 A 405 Submit Incorrect: Try Again; 4 attempts remaining B. 30 0.5...
show all work A solid sphere, a solid disk, and a thin hoop are all released...
show all work
A solid sphere, a solid disk, and a thin hoop are all released from rest at the top of the incline (ho = 20.0 cm). a) Without doing any calculations, decide which object would be spinning the fastest when it gets to the bottom. Explain b) Again, without doing any calculations, decide which objďct would get to the bottom first. Hint: which one has greater translational speed? Think CoE! c) Assuming all objects are rolling without slipping,...
(a3, y3,4z3). Let Si be the disk in the 12. Consider the vector field in space...
(a3, y3,4z3). Let Si be the disk in the 12. Consider the vector field in space given by F(x, y, z) xy-plan described by x2 + y2 < 4, z = 0; and let S2 be the upper half of the paraboloid given by z 4 y2, z 2 0. Both Si and S2 are oriented upwards. Let E be the solid region enclosed by S1 and S2 (a) Evaluate the flux integral FdS (b) Calculate div F div F...
1. Niobium oxide has a crystal structure related to NaCl but without corner and center atoms...
1. Niobium oxide has a crystal structure related to NaCl but without corner and center atoms as shown in the model below (a) What is the empirical formula of this niobium oxide? Show in the space below how you arrived at your answer (b) How many formula units are contained within the unit cell (c) What are the oxidation states of Nb and O in this compound? Nb, Nb and 0? Nb (d) What is the coordination number
show all work please and all the steps without using excel. Instructions: Show all of your...
show all work please and all the steps without using
excel.
Instructions: Show all of your work for maximum credit. You may use a financial calculator and show your entries (i.e., FV = 1000, ete). There are 20 points possible. 1. (10 points) Moose River Industrial is in the process of expanding and raising new capital through an initial public offering of common equity. The company has a target capital structure consisting of a debt to value (wa) ratio of...
you may ude financial calculator and show your entries (i.e., FV = 1000, etc) . show all work and all steps without usi...
you may ude financial calculator and show your entries (i.e.,
FV = 1000, etc) . show all work and all steps without using an
excel.
2. (10 points) You are an outside analyst attempting to estimate the cost of capital for SSK Industrial. You do not know the corporation's target capital structure. However, the balance sheet shows a total of $55 million of long term debt with a coupon rate of 8%. The yield to maturity is 10.70% (before tax)...
please show work = To cool a summer home without using a vapor-compression refrigeration cycle, air...
please show work
= To cool a summer home without using a vapor-compression refrigeration cycle, air is routed through a plastic pipe (k = 0.15 W/m-K, Di -0.15 m, Do-0.17 m) with a smooth interior surface that is submerged in an adjoining body of water. The water temperature is nominally at Too = 17°C, and a convection coefficient of ho- 1500 W/m2K is maintained at the outer surface of the pipe. Air from the home enters the pipe at a...
Which of the following is true concerning the motions of stars in spiral galaxies: stars in the bulge have nearly circular orbits, stars in the disk have nearly circular orbits stars in the bulge have nearly circular orbits, stars in the disk have random orbits stars in the bulge have random orbits, stars in the disk have nearly circular orbits stars in the bulge have random orbits, stars in the disk have random orbits
Problem 18.68 9 of 9 PartA The system consists of a 51-kg disk A, 22-kg slender rod BA, and a 5-kg smooth collar A The system is released from rest when θ 45°. (Figure 1) If the disk rolls without slipping, determine the speed of the collar at the instant 30° Express your answer to three significant figures and include the ap propriate units. Figure 1 of 1 A 405 Submit Incorrect: Try Again; 4 attempts remaining B. 30 0.5...
show all work
A solid sphere, a solid disk, and a thin hoop are all released from rest at the top of the incline (ho = 20.0 cm). a) Without doing any calculations, decide which object would be spinning the fastest when it gets to the bottom. Explain b) Again, without doing any calculations, decide which objďct would get to the bottom first. Hint: which one has greater translational speed? Think CoE! c) Assuming all objects are rolling without slipping,...
(a3, y3,4z3). Let Si be the disk in the 12. Consider the vector field in space given by F(x, y, z) xy-plan described by x2 + y2 < 4, z = 0; and let S2 be the upper half of the paraboloid given by z 4 y2, z 2 0. Both Si and S2 are oriented upwards. Let E be the solid region enclosed by S1 and S2 (a) Evaluate the flux integral FdS (b) Calculate div F div F...
1. Niobium oxide has a crystal structure related to NaCl but without corner and center atoms as shown in the model below (a) What is the empirical formula of this niobium oxide? Show in the space below how you arrived at your answer (b) How many formula units are contained within the unit cell (c) What are the oxidation states of Nb and O in this compound? Nb, Nb and 0? Nb (d) What is the coordination number
show all work please and all the steps without using
excel.
Instructions: Show all of your work for maximum credit. You may use a financial calculator and show your entries (i.e., FV = 1000, ete). There are 20 points possible. 1. (10 points) Moose River Industrial is in the process of expanding and raising new capital through an initial public offering of common equity. The company has a target capital structure consisting of a debt to value (wa) ratio of...
you may ude financial calculator and show your entries (i.e.,
FV = 1000, etc) . show all work and all steps without using an
excel.
2. (10 points) You are an outside analyst attempting to estimate the cost of capital for SSK Industrial. You do not know the corporation's target capital structure. However, the balance sheet shows a total of $55 million of long term debt with a coupon rate of 8%. The yield to maturity is 10.70% (before tax)...
please show work
= To cool a summer home without using a vapor-compression refrigeration cycle, air is routed through a plastic pipe (k = 0.15 W/m-K, Di -0.15 m, Do-0.17 m) with a smooth interior surface that is submerged in an adjoining body of water. The water temperature is nominally at Too = 17°C, and a convection coefficient of ho- 1500 W/m2K is maintained at the outer surface of the pipe. Air from the home enters the pipe at a...
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