Four of following are factors that must be overcome by a large molecular cloud before gravitational contraction can begin. Which one is the exception??

A. thermal energy of gas
B. magnetic fields
C. rotation of gas clouds
D. intense radiation from a nearby star


Answer: D. intense radiation from a nearby star

Physics & Space Science

You might also like to view...

Standing Waves on a String: If the frequency of a violin string is to be increased by 20%, what change in tension must be applied?

A. 44% B. 20% C. 4.5% D. 10%

Physics & Space Science

Briefly explain why spectral lines are useful in determining the temperature of their source

What will be an ideal response?

Physics & Space Science

For a body oscillating at the end of a spring, the energy is

a. kinetic energy. b. elastic potential energy. c. gravitational potential energy. d. all of the above. e. none of the above.

Physics & Space Science

A 29.0 pm wavelength photon is scattered by a stationary electron. The maximum energy loss of the photon is closest to:

A) 4 KeV B) 6 KeV C) 10 KeV D) 12 KeV E) 15 KeV

Physics & Space Science