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Author Question: The Hubble time is a. the time it takes a galaxy moving at 1000 km/s to move 1 Mpc. b. the time ... (Read 103 times)

littleanan

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on: Jul 27, 2018
The Hubble time is
 
  a. the time it takes a galaxy moving at 1000 km/s to move 1 Mpc.
  b. the time it takes the galaxy to double its size.
  c. the time since recombination occurred.
  d. the time remaining before the Universe stops expanding and begins to contract.
  e. an estimate of the age of the Universe based on the Hubble constant.

Question 2

A Type II supernova produces a planetary nebula.
 
  a. True
  b. False
  Indicate whether the statement is true or false


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srodz

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

e

Answer to Question 2

False


littleanan

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Reply 2 on: Jul 27, 2018
:D TYSM

Perkypinki

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Reply 3 on: Yesterday
Excellent

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