What do we mean by the observable universe? A) the part of the ...

[colton]

What do we mean by the observable universe?
 
  A) the part of the universe that we can see with the naked eye
  B) the part of the universe that we can see through telescopes
  C) the part of the universe that could be observed in principle, including things that may require future technologies
  D) the compendium of all objects that we have observed to date
  E) the entire universe, since it is inconceivable that there could be parts of the universe that we cannot observe

Question 2

The principal difference between the terrestrial and jovian planets is the absence of ________ and helium close to the Sun.
 
  Fill in the blank(s) with correct word

[bookworm410]

Answer to Question 1

C

Answer to Question 2

hydrogen

[colton]

Thank you!

[bookworm410]

Always glad to help...