The fast rotation of neutron stars is a consequence of ________.
A. Wien's law
B. their high temperature
C. the doppler effect
D. the law of conservation of angular momentum
Answer: D
You might also like to view...
In a turbine blade with grain boundaries parallel to the blade axis, the shear stress on the grain boundaries of a rotating turbine blade is equal to _________.
Fill in the blank(s) with the appropriate word(s).
How do we know the Sun within our solar system is not a first generation star born right after the Big Bang?
a. There are observations of stars in the place of our Sun that predate the Sun. b. There are elements present in our solar system that are only formed by stars that lived and died long ago. c. The solar system is in a specific region within the Milky Way Galaxy where many stars are known to have been present earlier.
Several objects were called planets when they were originally discovered, but are no longer called planets
Indicate whether the statement is true or false
An astronaut on a spaceship moving at 0.927c says that the trip between two stationary stars took 7.49 y. How long does this journey take as measured by someone at rest relative to the two stars?
A) 20.0 y B) 2.81 y C) 4.05 y D) 22.1 y