Its called a spiral galaxy... our galaxy is an spiral galaxy, case its apart of the milky way making it spiral
A child climbing a ladder is transforming kinetic energy into potential energy.
Answer:
The distance is shortenend by factor .1715
Explanation:
5 n = 1/r^2
sqrt (1/5) = r
170 n = 1 / ( x sqrt(1/5))^2
(xsqrt 1/5)^2 = 1/170
x sqrt 1/5 = .076696
x = .1715
Empirical because it is what you need to know the source of knowledge gather by observation or experimentation.