Author Question: Among the modes of energy transfer in stars, _____ is the least efficient of all. A) conduction ... (Read 27 times)

asd123 · **on:** Jul 27, 2018

Among the modes of energy transfer in stars, _____ is the least efficient of all.

A) conduction
B) convection
C) radiation
D) evaporation

Question 2

Which of the following statements is true in the context of the formation of stars from the interstellar medium?

A) The densest interstellar clouds contain from 108-1011 atoms/cm3.
B) The densest interstellar clouds have temperatures as low as 1000 K.
C) Clouds can never resist their own gravity and eventually collapse under its influence to transform into stars.
D) Stars can form in molecular clouds when the densest parts of the clouds become unstable and contract.