The shock wave produced by the supernova expended from the center and is currently at the edge of the observed Cas A remnant. Using the information in the previous problem, compute the average speed of the shock wave in units of km / s .

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The shock wave produced by the supernova expended from the center and is currently at the edge of the observed Cas A remnant. Using the information in the previous problem, compute the average speed of the shock wave in units of km / s .
12:02
Expert Answer Ⓒ
Step1
a)
The distance from the earth of supernova Cas A is d = 3000pc
The radius of the spherical cloud = 3 pc
Step2
b)
The angular diameter α = 20
From the geometry
tane=
→> 0 = tan 3
3000
0
0.0573°
0.057X60 arcmin
nova cloud
P
Then angular dimeter
supernova
0
α = 20 = 6.88 arcmin
?
DO
√x 8
Transcribed Image Text:12:02 Expert Answer Ⓒ Step1 a) The distance from the earth of supernova Cas A is d = 3000pc The radius of the spherical cloud = 3 pc Step2 b) The angular diameter α = 20 From the geometry tane= →> 0 = tan 3 3000 0 0.0573° 0.057X60 arcmin nova cloud P Then angular dimeter supernova 0 α = 20 = 6.88 arcmin ? DO √x 8
Consider the image above of the
Cassiopeia A (Cas A) supernova
remnant. The supernova explosion that
caused this remnant was observed on
earth about 300 years ago. It is about
3000 pc away. Since that time, the
shockwave from the supernova has
expanded to form the roughly spherical
cloud pictured above. From the center
point to the edge of the cloud is about
3 pc. Compute the angular diameter of
the Cas A supernova remnant as viewed
from Earth. Express your answer in
arcminutes.
Transcribed Image Text:Consider the image above of the Cassiopeia A (Cas A) supernova remnant. The supernova explosion that caused this remnant was observed on earth about 300 years ago. It is about 3000 pc away. Since that time, the shockwave from the supernova has expanded to form the roughly spherical cloud pictured above. From the center point to the edge of the cloud is about 3 pc. Compute the angular diameter of the Cas A supernova remnant as viewed from Earth. Express your answer in arcminutes.
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