This topic contains a solution. Click here to go to the answer

Author Question: What do we mean by the observable universe? A) the part of the universe that we can see with the ... (Read 55 times)

colton

  • Hero Member
  • *****
  • Posts: 627
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



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

bookworm410

  • Sr. Member
  • ****
  • Posts: 341
Answer to Question 1

C

Answer to Question 2

hydrogen





 

Did you know?

Nearly all drugs pass into human breast milk. How often a drug is taken influences the amount of drug that will pass into the milk. Medications taken 30 to 60 minutes before breastfeeding are likely to be at peak blood levels when the baby is nursing.

Did you know?

Glaucoma is a leading cause of blindness. As of yet, there is no cure. Everyone is at risk, and there may be no warning signs. It is six to eight times more common in African Americans than in whites. The best and most effective way to detect glaucoma is to receive a dilated eye examination.

Did you know?

The first successful kidney transplant was performed in 1954 and occurred in Boston. A kidney from an identical twin was transplanted into his dying brother's body and was not rejected because it did not appear foreign to his body.

Did you know?

Asthma attacks and symptoms usually get started by specific triggers (such as viruses, allergies, gases, and air particles). You should talk to your doctor about these triggers and find ways to avoid or get rid of them.

Did you know?

Coca-Cola originally used coca leaves and caffeine from the African kola nut. It was advertised as a therapeutic agent and "pickerupper." Eventually, its formulation was changed, and the coca leaves were removed because of the effects of regulation on cocaine-related products.

For a complete list of videos, visit our video library