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 90 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?

In 2006, a generic antinausea drug named ondansetron was approved. It is used to stop nausea and vomiting associated with surgery, chemotherapy, and radiation therapy.

Did you know?

The Romans did not use numerals to indicate fractions but instead used words to indicate parts of a whole.

Did you know?

Cocaine was isolated in 1860 and first used as a local anesthetic in 1884. Its first clinical use was by Sigmund Freud to wean a patient from morphine addiction. The fictional character Sherlock Holmes was supposed to be addicted to cocaine by injection.

Did you know?

Signs and symptoms that may signify an eye tumor include general blurred vision, bulging eye(s), double vision, a sensation of a foreign body in the eye(s), iris defects, limited ability to move the eyelid(s), limited ability to move the eye(s), pain or discomfort in or around the eyes or eyelids, red or pink eyes, white or cloud spots on the eye(s), colored spots on the eyelid(s), swelling around the eyes, swollen eyelid(s), and general vision loss.

Did you know?

It is difficult to obtain enough calcium without consuming milk or other dairy foods.

Space Station Space Station
Observable Universe Before and After Inflation Observable Universe Before and After Inflation
Big Picture of the Evolution of the Universe Big Picture of the Evolution of the Universe
Separate the metatarsals. Create space between the metatarsals by holding onto the sides of the foot ... Separate the metatarsals. Create space between the metatarsals by holding onto the sides of the foot ...
Mitotic Phase: Prophase Mitotic Phase: Prophase
Sexual Phase of the Fungal Life Cycle Sexual Phase of the Fungal Life Cycle
Video: Decubitus Ulcer

For a complete list of videos, visit our video library