To distinguish among the various type of spiral galaxies.

Question

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Answer 1

Question

Chapter 15, Problem 1RD

To determine

To distinguish among the various type of spiral galaxies.

Expert Solution & Answer

Answer to Problem 1RD

Spiral galaxies are of three types, Sa, Sb, and Sc. Sa galaxies have large nuclear bulges, and tight arms, Sb galaxies has less tightly wound arm, and small bulges, finally Sc have the smallest bulges and least tightly wound arms.

Explanation of Solution

Galaxies are mainly categorised into four, spiral, barred spirals, elliptical, and irregular, on the basis of their visual appearance. In which spiral galaxies are again divided into three, Sa, Sb, and Sc. Mainly the spiral galaxies have flattened galactic disk with spiral arms, central bulge, dense nucleus, old stars, and an extended halo of faint.

Spiral galaxy is usually denoted using letter S. The first type is Sa, which have the largest nuclear bulge, and Sc has the smallest bulge. The tightness of the spiral arm is depends on the size of the bulge, hence type Sa has tightly wound arms, and Sc has less tightly wound arms, Sb stands in between, in case of bulges and tightness of arms.

The size of the arms of Sa galaxies are almost circular, Sb has open spiral arms, and Sc have loose poorly defines spiral arms. Along with these three there are barred spiral galaxies, which differ from spiral galaxy due to the presence of elongated bar passing through the centre and extending beyond the nuclear bulge into the disk.

Conclusion:

Therefore, the Spiral galaxies are of three types, Sa, Sb, and Sc. Sa galaxies have large nuclear bulges, and tight arms, Sb galaxies has less tightly wound arm, and small bulges, finally Sc have the smallest bulges and least tightly wound arms.

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Answer 2

Question

Chapter 15, Problem 1RD

To determine

To distinguish among the various type of spiral galaxies.

Expert Solution & Answer

Answer to Problem 1RD

Spiral galaxies are of three types, Sa, Sb, and Sc. Sa galaxies have large nuclear bulges, and tight arms, Sb galaxies has less tightly wound arm, and small bulges, finally Sc have the smallest bulges and least tightly wound arms.

Explanation of Solution

Galaxies are mainly categorised into four, spiral, barred spirals, elliptical, and irregular, on the basis of their visual appearance. In which spiral galaxies are again divided into three, Sa, Sb, and Sc. Mainly the spiral galaxies have flattened galactic disk with spiral arms, central bulge, dense nucleus, old stars, and an extended halo of faint.

Spiral galaxy is usually denoted using letter S. The first type is Sa, which have the largest nuclear bulge, and Sc has the smallest bulge. The tightness of the spiral arm is depends on the size of the bulge, hence type Sa has tightly wound arms, and Sc has less tightly wound arms, Sb stands in between, in case of bulges and tightness of arms.

The size of the arms of Sa galaxies are almost circular, Sb has open spiral arms, and Sc have loose poorly defines spiral arms. Along with these three there are barred spiral galaxies, which differ from spiral galaxy due to the presence of elongated bar passing through the centre and extending beyond the nuclear bulge into the disk.

Conclusion:

Therefore, the Spiral galaxies are of three types, Sa, Sb, and Sc. Sa galaxies have large nuclear bulges, and tight arms, Sb galaxies has less tightly wound arm, and small bulges, finally Sc have the smallest bulges and least tightly wound arms.

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Answer 3

Question

Chapter 15, Problem 1RD

To determine

To distinguish among the various type of spiral galaxies.

Expert Solution & Answer

Answer to Problem 1RD

Spiral galaxies are of three types, Sa, Sb, and Sc. Sa galaxies have large nuclear bulges, and tight arms, Sb galaxies has less tightly wound arm, and small bulges, finally Sc have the smallest bulges and least tightly wound arms.

Explanation of Solution

Galaxies are mainly categorised into four, spiral, barred spirals, elliptical, and irregular, on the basis of their visual appearance. In which spiral galaxies are again divided into three, Sa, Sb, and Sc. Mainly the spiral galaxies have flattened galactic disk with spiral arms, central bulge, dense nucleus, old stars, and an extended halo of faint.

Spiral galaxy is usually denoted using letter S. The first type is Sa, which have the largest nuclear bulge, and Sc has the smallest bulge. The tightness of the spiral arm is depends on the size of the bulge, hence type Sa has tightly wound arms, and Sc has less tightly wound arms, Sb stands in between, in case of bulges and tightness of arms.

The size of the arms of Sa galaxies are almost circular, Sb has open spiral arms, and Sc have loose poorly defines spiral arms. Along with these three there are barred spiral galaxies, which differ from spiral galaxy due to the presence of elongated bar passing through the centre and extending beyond the nuclear bulge into the disk.

Conclusion:

Therefore, the Spiral galaxies are of three types, Sa, Sb, and Sc. Sa galaxies have large nuclear bulges, and tight arms, Sb galaxies has less tightly wound arm, and small bulges, finally Sc have the smallest bulges and least tightly wound arms.

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Answer 4

Question

Chapter 15, Problem 1RD

To determine

To distinguish among the various type of spiral galaxies.

Expert Solution & Answer

Answer to Problem 1RD

Spiral galaxies are of three types, Sa, Sb, and Sc. Sa galaxies have large nuclear bulges, and tight arms, Sb galaxies has less tightly wound arm, and small bulges, finally Sc have the smallest bulges and least tightly wound arms.

Explanation of Solution

Galaxies are mainly categorised into four, spiral, barred spirals, elliptical, and irregular, on the basis of their visual appearance. In which spiral galaxies are again divided into three, Sa, Sb, and Sc. Mainly the spiral galaxies have flattened galactic disk with spiral arms, central bulge, dense nucleus, old stars, and an extended halo of faint.

Spiral galaxy is usually denoted using letter S. The first type is Sa, which have the largest nuclear bulge, and Sc has the smallest bulge. The tightness of the spiral arm is depends on the size of the bulge, hence type Sa has tightly wound arms, and Sc has less tightly wound arms, Sb stands in between, in case of bulges and tightness of arms.

The size of the arms of Sa galaxies are almost circular, Sb has open spiral arms, and Sc have loose poorly defines spiral arms. Along with these three there are barred spiral galaxies, which differ from spiral galaxy due to the presence of elongated bar passing through the centre and extending beyond the nuclear bulge into the disk.

Conclusion:

Therefore, the Spiral galaxies are of three types, Sa, Sb, and Sc. Sa galaxies have large nuclear bulges, and tight arms, Sb galaxies has less tightly wound arm, and small bulges, finally Sc have the smallest bulges and least tightly wound arms.

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Answer 5

Chapter 15, Problem 1RD

To determine

To distinguish among the various type of spiral galaxies.

Expert Solution & Answer

Answer to Problem 1RD

Spiral galaxies are of three types, Sa, Sb, and Sc. Sa galaxies have large nuclear bulges, and tight arms, Sb galaxies has less tightly wound arm, and small bulges, finally Sc have the smallest bulges and least tightly wound arms.

Explanation of Solution

Galaxies are mainly categorised into four, spiral, barred spirals, elliptical, and irregular, on the basis of their visual appearance. In which spiral galaxies are again divided into three, Sa, Sb, and Sc. Mainly the spiral galaxies have flattened galactic disk with spiral arms, central bulge, dense nucleus, old stars, and an extended halo of faint.

Spiral galaxy is usually denoted using letter S. The first type is Sa, which have the largest nuclear bulge, and Sc has the smallest bulge. The tightness of the spiral arm is depends on the size of the bulge, hence type Sa has tightly wound arms, and Sc has less tightly wound arms, Sb stands in between, in case of bulges and tightness of arms.

The size of the arms of Sa galaxies are almost circular, Sb has open spiral arms, and Sc have loose poorly defines spiral arms. Along with these three there are barred spiral galaxies, which differ from spiral galaxy due to the presence of elongated bar passing through the centre and extending beyond the nuclear bulge into the disk.

Conclusion:

Therefore, the Spiral galaxies are of three types, Sa, Sb, and Sc. Sa galaxies have large nuclear bulges, and tight arms, Sb galaxies has less tightly wound arm, and small bulges, finally Sc have the smallest bulges and least tightly wound arms.

Answer 6

Chapter 15, Problem 1RD

To determine

To distinguish among the various type of spiral galaxies.

Expert Solution & Answer

Answer to Problem 1RD

Spiral galaxies are of three types, Sa, Sb, and Sc. Sa galaxies have large nuclear bulges, and tight arms, Sb galaxies has less tightly wound arm, and small bulges, finally Sc have the smallest bulges and least tightly wound arms.

Explanation of Solution

Galaxies are mainly categorised into four, spiral, barred spirals, elliptical, and irregular, on the basis of their visual appearance. In which spiral galaxies are again divided into three, Sa, Sb, and Sc. Mainly the spiral galaxies have flattened galactic disk with spiral arms, central bulge, dense nucleus, old stars, and an extended halo of faint.

Spiral galaxy is usually denoted using letter S. The first type is Sa, which have the largest nuclear bulge, and Sc has the smallest bulge. The tightness of the spiral arm is depends on the size of the bulge, hence type Sa has tightly wound arms, and Sc has less tightly wound arms, Sb stands in between, in case of bulges and tightness of arms.

The size of the arms of Sa galaxies are almost circular, Sb has open spiral arms, and Sc have loose poorly defines spiral arms. Along with these three there are barred spiral galaxies, which differ from spiral galaxy due to the presence of elongated bar passing through the centre and extending beyond the nuclear bulge into the disk.

Conclusion:

Therefore, the Spiral galaxies are of three types, Sa, Sb, and Sc. Sa galaxies have large nuclear bulges, and tight arms, Sb galaxies has less tightly wound arm, and small bulges, finally Sc have the smallest bulges and least tightly wound arms.

Answer 7

Chapter 15, Problem 1RD

To determine

To distinguish among the various type of spiral galaxies.

Answer 8

Expert Solution & Answer

Answer to Problem 1RD

Spiral galaxies are of three types, Sa, Sb, and Sc. Sa galaxies have large nuclear bulges, and tight arms, Sb galaxies has less tightly wound arm, and small bulges, finally Sc have the smallest bulges and least tightly wound arms.

Answer 9

Expert Solution & Answer

Answer 10

Expert Solution & Answer

Answer 11

Explanation of Solution

Galaxies are mainly categorised into four, spiral, barred spirals, elliptical, and irregular, on the basis of their visual appearance. In which spiral galaxies are again divided into three, Sa, Sb, and Sc. Mainly the spiral galaxies have flattened galactic disk with spiral arms, central bulge, dense nucleus, old stars, and an extended halo of faint.

Spiral galaxy is usually denoted using letter S. The first type is Sa, which have the largest nuclear bulge, and Sc has the smallest bulge. The tightness of the spiral arm is depends on the size of the bulge, hence type Sa has tightly wound arms, and Sc has less tightly wound arms, Sb stands in between, in case of bulges and tightness of arms.

The size of the arms of Sa galaxies are almost circular, Sb has open spiral arms, and Sc have loose poorly defines spiral arms. Along with these three there are barred spiral galaxies, which differ from spiral galaxy due to the presence of elongated bar passing through the centre and extending beyond the nuclear bulge into the disk.

Conclusion:

Therefore, the Spiral galaxies are of three types, Sa, Sb, and Sc. Sa galaxies have large nuclear bulges, and tight arms, Sb galaxies has less tightly wound arm, and small bulges, finally Sc have the smallest bulges and least tightly wound arms.