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 75 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?

A serious new warning has been established for pregnant women against taking ACE inhibitors during pregnancy. In the study, the risk of major birth defects in children whose mothers took ACE inhibitors during the first trimester was nearly three times higher than in children whose mothers didn't take ACE inhibitors. Physicians can prescribe alternative medications for pregnant women who have symptoms of high blood pressure.

Did you know?

As many as 28% of hospitalized patients requiring mechanical ventilators to help them breathe (for more than 48 hours) will develop ventilator-associated pneumonia. Current therapy involves intravenous antibiotics, but new antibiotics that can be inhaled (and more directly treat the infection) are being developed.

Did you know?

Pink eye is a term that refers to conjunctivitis, which is inflammation of the thin, clear membrane (conjunctiva) over the white part of the eye (sclera). It may be triggered by a virus, bacteria, or foreign body in the eye. Antibiotic eye drops alleviate bacterial conjunctivitis, and antihistamine allergy pills or eye drops help control allergic conjunctivitis symptoms.

Did you know?

All adverse reactions are commonly charted in red ink in the patient's record and usually are noted on the front of the chart. Failure to follow correct documentation procedures may result in malpractice lawsuits.

Did you know?

Your chance of developing a kidney stone is 1 in 10. In recent years, approximately 3.7 million people in the United States were diagnosed with a kidney disease.

For a complete list of videos, visit our video library