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Peter Erwin's user avatar
Peter Erwin's user avatar
Peter Erwin
  • Member for 8 years, 5 months
  • Last seen this week
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About

Astronomer at the Max-Planck-Institute for Extraterrestrial Physics, specializing in supermassive black holes and galaxy morphology, dynamics, and evolution.

Open-source code for fitting images of galaxies: www.mpe.mpg.de/~erwin/code/imfit

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47
Were there occasions when a sovereign country voluntarily joined another country?
Sep 18, 2016
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16
Why did native Americans and Europeans mix in South America but not in North America?
Jun 14, 2016
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13
What is the longest retreat?
Sep 16, 2016
answer
12
Is there any evidence that Celts produced chain mail?
Sep 15, 2016
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11
What is the longest retreat?
Sep 16, 2016
answer
10
Relation between Afroamerican religions and colonial metropoles?
Sep 9, 2016
answer
7
Does modern scholarship accept an Ethiopian or Nubian origin for Egyptian hieroglyphs?
Sep 13, 2018
answer
6
18th-century understanding of the word "colony?"
Aug 24, 2016
answer
6
Is there a relationship between Portugal and Spain being able to discover the New World and the Moor occupation?
Apr 13, 2016
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5
How did the written Polish language survive in eastern Germany during partition (if it survived at all)?
May 9, 2016
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84
Why don't solar panels contribute to global warming?
67
Where do we have it from that the Moon is migrating away from Earth?
60
Is oxygen really the most abundant element on the surface of the Moon?
53
Is Earth's Surface "In orbit"?
45
Are there observable changes in a star about to become supernova, minutes or hours before the explosion?