Physics
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pela
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About

Astrophysicist and science communicator at the Cosmic Dawn Center, University of Copenhagen.

My research focuses on galaxy modeling and (Lyman α) radiative transfer.

I use Fortran for the heavy stuff, and Python for everything else.

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Top posts
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All Questions Answers
Score Newest
answer
104
Simple check for the global shape of the Earth
Oct 15, 2018
answer
75
What is the speed of sound in space?
Jan 29, 2015
answer
64
Why does moving through time not require energy?
Apr 17, 2015
answer
55
Why is the detection of gravitational waves so significant?
Feb 11, 2016
answer
51
Can anything be seen from the center of the Boötes void? How dark would it be?
Apr 17, 2019
answer
32
How to calculate how many photons are in the universe?
Aug 28, 2016
answer
30
Why can't I see the blue color scattered by the lower atmosphere of the earth?
Nov 17, 2015
answer
29
Does the number density of photons $n_\gamma\approx 10^8 \:\mathrm m^{-3}$ refer to CMB photons only?
Jul 28, 2015
answer
24
Drying clothes with the sun's heat, without any air
Apr 7, 2015
answer
23
How did the universe shift from "dark matter dominated" to "dark energy dominated"?
May 23, 2016
Top network posts
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79
Is there a better explanation of this picture showing the very distant star "Earendel"?
65
Why doesn't the moon twinkle?
53
How do we have photos of galaxies so far away?
46
Why does the alignment evaluation image from JWST look like this?
46
Does the sun cross other spiral arms in its movement around the galaxy's center?

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