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 91 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?

More than 30% of American adults, and about 12% of children utilize health care approaches that were developed outside of conventional medicine.

Did you know?

More than 34,000 trademarked medication names and more than 10,000 generic medication names are in use in the United States.

Did you know?

Street names for barbiturates include reds, red devils, yellow jackets, blue heavens, Christmas trees, and rainbows. They are commonly referred to as downers.

Did you know?

Children with strabismus (crossed eyes) can be treated. They are not able to outgrow this condition on their own, but with help, it can be more easily corrected at a younger age. It is important for infants to have eye examinations as early as possible in their development and then another at age 2 years.

Did you know?

The senior population grows every year. Seniors older than 65 years of age now comprise more than 13% of the total population. However, women outlive men. In the 85-and-over age group, there are only 45 men to every 100 women.

From space earth shows itself as a planet covered mostly by water. From space earth shows itself as a planet covered mostly by water.
Mars from Hubble Space Telescope October 28, 2005 with dust storm visible. Mars from Hubble Space Telescope October 28, 2005 with dust storm visible.
The meninges from the outside in: dura mater, arachnoid, and pia mater. Also showing the subarachnoi The meninges from the outside in: dura mater, arachnoid, and pia mater. Also showing the subarachnoi
Earth emits radiation back out to space from all surfaces, both day and night Earth emits radiation back out to space from all surfaces, both day and night
Suppose that we have a sample space with five equally likely experimental outcomes: E1, E2, E3, ... Suppose that we have a sample space with five equally likely experimental outcomes: E1, E2, E3, ...
International space station International space station
Video: Febrile Seizure

For a complete list of videos, visit our video library