All of the following are involved in carrying energy outward from a star's core except :

All of the following are involved in carrying energy outward from a star's core except
 
  A) convection.
  B) radiative diffusion.
  C) conduction.
  D) neutrinos.

Question 2

Process of Science: Now that Pluto is no longer considered a planet, the number if planets in the Solar System has dropped from 9 to 8. Does this mean that the nebular theory of the Solar System was incorrect?
 
  What will be an ideal response?

Question 3

When we see a meteor shower, it means that
 
  A) the solar wind is unusually strong.
  B) an Earth-approaching asteroid has recently come very close to our planet.
  C) you should duck and run for cover to avoid being blasted on the head by a rock from space.
  D) Earth is crossing the orbit of a comet.

Question 4

Astronomers expect extrasolar planetary systems to have very different overall properties than those found in our solar system.
 
  Indicate whether the statement is true or false

Question 5

A star cluster of age 100 million years contains no type O stars.
 
  Indicate whether the statement is true or false