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

Author Question: In the very first phase after the big bang, when the Universe was about a microsecond old, space was ... (Read 81 times)

RRMR

  • Hero Member
  • *****
  • Posts: 557
on: Jul 27, 2018
In the very first phase after the big bang, when the Universe was about a microsecond old, space was filled with____.
 
  a. high-energy photons
  b. protons and antiprotons
 c. protons, neutrons, electrons, and positrons (anti-electrons)
  d. electrons, and positrons (anti-electrons)
 e. protons, neutrons, electrons

Question 2

When mapping the interior of the Sun, astronomers must measure _____ as the photosphere moves up and down.
 
  a. Doppler shifts
 b. magnetic fields
  c. sunspots
 d. limb darkening
  e. supergranules


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

cegalasso

  • Sr. Member
  • ****
  • Posts: 295
Reply #1 on: Jul 27, 2018
Answer to Question 1

a

Answer to Question 2

a


RRMR

  • Hero Member
  • *****
  • Posts: 557
Reply #2 on: Jul 27, 2018
Thanks


cegalasso

  • Sr. Member
  • ****
  • Posts: 295
Reply #3 on: Jul 27, 2018
Welcome :)


« previous next »
 

Did you know?

Anti-aging claims should not ever be believed. There is no supplement, medication, or any other substance that has been proven to slow or stop the aging process.

Did you know?

ACTH levels are normally highest in the early morning (between 6 and 8 A.M.) and lowest in the evening (between 6 and 11 P.M.). Therefore, a doctor who suspects abnormal levels looks for low ACTH in the morning and high ACTH in the evening.

Did you know?

The toxic levels for lithium carbonate are close to the therapeutic levels. Signs of toxicity include fine hand tremor, polyuria, mild thirst, nausea, general discomfort, diarrhea, vomiting, drowsiness, muscular weakness, lack of coordination, ataxia, giddiness, tinnitus, and blurred vision.

Did you know?

People often find it difficult to accept the idea that bacteria can be beneficial and improve health. Lactic acid bacteria are good, and when eaten, these bacteria improve health and increase longevity. These bacteria included in foods such as yogurt.

Did you know?

Illness; diuretics; laxative abuse; hot weather; exercise; sweating; caffeine; alcoholic beverages; starvation diets; inadequate carbohydrate consumption; and diets high in protein, salt, or fiber can cause people to become dehydrated.

A Connection to Interstellar Space A Connection to Interstellar Space
Two stubby screwdrivers used to access screws that have limited space above. A straight blade is on ... Two stubby screwdrivers used to access screws that have limited space above. A straight blade is on ...
How to plot a cosine function containing an amplitude and phase-shift (Question 1 of 2) How to plot a cosine function containing an amplitude and phase-shift (Question 1 of 2)
How to plot a cosine function containing an amplitude and phase-shift (Question 2 of 2) How to plot a cosine function containing an amplitude and phase-shift (Question 2 of 2)
The initial phase of carbohydrate catabolism: glycolysis The initial phase of carbohydrate catabolism: glycolysis
Video: Gas exchange - driving force

For a complete list of videos, visit our video library