Astronomy
John Davis's user avatar
John Davis's user avatar
John Davis's user avatar
John Davis
  • Member for 8 years, 8 months
  • Last seen more than a month ago
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44
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8
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22
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33
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7
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19
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31
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28
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27
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26
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7
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19
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22
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6
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17
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Top posts
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All Questions Answers
Score Newest
answer
19
Age of the universe and time dilation
Oct 5, 2014
answer
17
Does a black hole become a normal star again?
Feb 4, 2015
answer
11
Is the universe considered to be flat?
Jan 3, 2017
answer
9
Could undiscovered smaller black holes within galaxies be an explanation for dark matter?
Dec 8, 2016
answer
7
How can an infinite universe expand?
Nov 21, 2015
answer
6
How far away is the light that would reveal the Big Bang?
Feb 7, 2015
answer
6
Do objects look larger the further away they are, beyond z=1?
Jan 25, 2015
answer
6
Does the cosmic microwave background change over time?
Feb 4, 2015
answer
5
Why is the letter *z* customarily used to denote redshift?
Dec 11, 2016
answer
5
What would the cost be of visiting an asteroid?
Nov 25, 2015
Top network posts
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10
What is the general relativity explanation for why objects at the center of the Earth are weightless?
10
What does it mean that the event horizon is a global concept?
9
Why is Hubble's constant exactly the inverse of the age of the universe?
9
How to tell a coworker to dress more appropriately for the office
7
Does Hawking radiation need an apparent horizon and when does it switch on during stellar collapse?

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