Skip to main content
Astronomy
Peter Erwin's user avatar
Peter Erwin's user avatar
Peter Erwin's user avatar
Peter Erwin
  • Member for 9 years, 1 month
  • Last seen this week
  • Munich, Germany
Profile Activity
Stats
17,287
reputation
280k
reached
245
answers
0
questions
Communities
View all
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

Badges
View all badges
1
gold badge
41
silver badges
57
bronze badges
Top tags
View all tags
250
Score
51
Posts
21
Posts %
221
Score
47
Posts
19
Posts %
109
Score
16
Posts
7
Posts %
93
Score
16
Posts
7
Posts %
82
Score
15
Posts
6
Posts %
74
Score
13
Posts
5
Posts %
Top posts
View all questions and answers
66
Where do we have it from that the Moon is migrating away from Earth?
Jul 14, 2020
60
Is oxygen really the most abundant element on the surface of the Moon?
Feb 11, 2021
53
Is Earth's Surface "In orbit"?
Nov 18, 2019
45
Are there observable changes in a star about to become supernova, minutes or hours before the explosion?
Sep 21, 2016
43
Are there any old/ancient star maps that we can compare to today’s and see drastic differences?
Aug 11, 2021
25
Is it possible that the Sun and all the nearby stars formed from the same nebula?
Feb 11, 2021
18
Why isn't most hydrogen in the universe molecular (diatomic), instead of atomic (monoatomic)?
Apr 8, 2021
18
What telescope is Polish astronomer Kazimierz Kordylewski holding in this April 1964 photo at the Jagiellonian University Observatory in Krakow?
Jun 22, 2023
18
Which are stars and which are noise in this comet photo?
Oct 15, 2019
15
Why is Starlink polluting the night sky a big concern if we have space telescopes?
Apr 21, 2021
Top network posts
View all network posts
84
Why don't solar panels contribute to global warming?
47
Were there occasions when a sovereign country voluntarily joined another country?
26
Can a planet's axial tilt turn to always be facing its star?
16
Why did native Americans and Europeans mix in South America but not in North America?
14
What is the longest retreat?