Eta Carinae is an example of a:

Eta Carinae is an example of a:
 
  A) black hole.
  B) supermassive star.
  C) red dwarf.
  D) nebula.
  E) stellar nursery.

Question 2

The Curiosity rover has detected evidence of what kind(s) of chemical activity in Mars' soil?
 
  A) organic carbon chemistry
  B) helium and hydrogen
  C) photosynthesis
  D) water, sulfur and chlorine-containing minerals
  E) minerals containing sulfur or produced by reactions with sulfuric acid

Question 3

Which concept was NOT a part of Kepler's Laws of Planetary Motion?
 
  A) All planetary orbits are ellipses.
  B) The square of the planet's period is equal to the cube of its average distance.
  C) A planet must move fastest in its orbit at perihelion.
  D) Epicycles are needed to explain the varying brightnesses of the planets.