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

Author Question: How long after the Big Bang was the Planck time, the time at which our current theories become ... (Read 162 times)

Capo

  • Hero Member
  • *****
  • Posts: 545
How long after the Big Bang was the Planck time, the time at which our current theories become completely unable to describe conditions any earlier in the universe?
 
  A) 380,000 years
  B) 10-35 seconds
  C) 10-10 seconds
  D) 10-43 seconds
  E) 3 minutes

Question 2

Planets detected via the Doppler technique have been mostly
 
  A) a wide range of masses, in edge-on orbits.
  B) Earth-mass, in Earth-like orbits.
  C) Jupiter-mass, in very close orbits.
  D) Earth-mass, in very close orbits.
  E) Jupiter-mass, in Jupiter-like orbits.



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

mfedorka

  • Sr. Member
  • ****
  • Posts: 324
Answer to Question 1

D

Answer to Question 2

C





 

Did you know?

Ether was used widely for surgeries but became less popular because of its flammability and its tendency to cause vomiting. In England, it was quickly replaced by chloroform, but this agent caused many deaths and lost popularity.

Did you know?

In 1835 it was discovered that a disease of silkworms known as muscardine could be transferred from one silkworm to another, and was caused by a fungus.

Did you know?

People with high total cholesterol have about two times the risk for heart disease as people with ideal levels.

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?

A recent study has found that following a diet rich in berries may slow down the aging process of the brain. This diet apparently helps to keep dopamine levels much higher than are seen in normal individuals who do not eat berries as a regular part of their diet as they enter their later years.

For a complete list of videos, visit our video library