This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: How old is the Universe since the big bang? Pick the best answer according to radioactive dating in ... (Read 84 times)

hbsimmons88

  • Hero Member
  • *****
  • Posts: 526
on: Jul 27, 2018
How old is the Universe since the big bang? Pick the best answer according to radioactive dating in the solar system, light travel times to most distant galaxies, time reversal of the big bang, and observations of the 3-K radiation.
 
  a. 1400 years
  b. 14,000 years
  c. 14,000,000 years
  d. 14,000,000,000 years

Question 2

Evidence for a very early super rapid inflation of the universe is that the 3-K radiation from opposite sides of the sky (i.e., 180 degrees or about 28 billion light years apart) is of nearly ___________ intensity. Time for light to travel this distance is ___________ the age of the universe in years.
 
  a. equal; greater than
  b. unequal; greater than
  c. equal; less than
  d. unequal; less than


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

steff9894

  • Sr. Member
  • ****
  • Posts: 337
Reply #1 on: Jul 27, 2018
Answer to Question 1

d

Answer to Question 2

a
RATIONALE: See horizon problem.'


hbsimmons88

  • Member
  • Posts: 526
Reply 2 on: Jul 27, 2018
Wow, this really help

bitingbit

  • Member
  • Posts: 323
Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

« previous next »
 

Did you know?

Barbituric acid, the base material of barbiturates, was first synthesized in 1863 by Adolph von Bayer. His company later went on to synthesize aspirin for the first time, and Bayer aspirin is still a popular brand today.

Did you know?

Liver spots have nothing whatsoever to do with the liver. They are a type of freckles commonly seen in older adults who have been out in the sun without sufficient sunscreen.

Did you know?

If you use artificial sweeteners, such as cyclamates, your eyes may be more sensitive to light. Other factors that will make your eyes more sensitive to light include use of antibiotics, oral contraceptives, hypertension medications, diuretics, and antidiabetic medications.

Did you know?

The most destructive flu epidemic of all times in recorded history occurred in 1918, with approximately 20 million deaths worldwide.

Did you know?

In 1886, William Bates reported on the discovery of a substance produced by the adrenal gland that turned out to be epinephrine (adrenaline). In 1904, this drug was first artificially synthesized by Friedrich Stolz.

Structure of the Early Universe Structure of the Early Universe
heres the answer heres the answer
Online Dating Online Dating
A PET scan, a medical use for radioactive isotopes. A PET scan, a medical use for radioactive isotopes.
Shake the calf muscles. Pick up the calf muscles with one hand, and shake them back and forth. Shake the calf muscles. Pick up the calf muscles with one hand, and shake them back and forth.
Radioactive waste Radioactive waste
Video: Dendrite Animation

For a complete list of videos, visit our video library