An elliptical galaxy in Boötes (shown at the bottom of Figure 17-32 in the text) is at a distance of 1.6 billion ly and has an apparent recession speed of 39,000 km/s. What upper limit does this imply to the age of the universe? (Be careful with units.)
A) 0.47 billion years
B) 12 million years
C) 47 billion years
D) 12 billion years

Question

An elliptical galaxy in Boötes (shown at the bottom of Figure 17-32 in the text) is at a distance of 1.6 billion ly and has an apparent recession speed of 39,000 km/s. What upper limit does this imply to the age of the universe? (Be careful with units.) 
A) 0.47 billion years 
B) 12 million years 
C) 47 billion years 
D) 12 billion years

Quizplus · Accepted Answer

The Answer of An elliptical galaxy in Boötes (shown at the bottom of Figure 17-32 in the text) is at a distance of 1.6 billion ly and has an apparent recession speed of 39,000 km/s. What upper limit does this imply to the age of the universe? (Be careful with units.) 
A) 0.47 billion years 
B) 12 million years 
C) 47 billion years 
D) 12 billion years

An Elliptical Galaxy in Boötes (Shown at the Bottom of Figure