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Author Question: Einstein's mass-energy equivalence () is important to the first phases of the big bang in explaining ... (Read 86 times)

viki

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on: Jul 27, 2018
Einstein's mass-energy equivalence () is important to the first phases of the big bang in explaining how____.
 
  a. gamma ray photons create matter and antimatter
 b. stable protons and neutrons can exist below a certain temperature
  c. antimatter can exist
 d. matter became more prevalent than antimatter
 e. the Universe expanded rapidly

Question 2

Astronomers refer to the dark center of a sunspot as a(n) ____
 
  a. spicule
 b. flare
 c. penumbra
  d. umbra
 e. eye


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atrochim

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Reply #1 on: Jul 27, 2018
Answer to Question 1

a

Answer to Question 2

d


viki

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Reply 2 on: Jul 27, 2018
Thanks for the timely response, appreciate it

Bigfoot1984

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Reply 3 on: Yesterday
Excellent

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