Physics
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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All Questions Answers Articles
Votes Newest
104
Simple check for the global shape of the Earth
Oct 15 '18
73
What is the speed of sound in space?
Jan 29 '15
64
Why does moving through time not require energy?
Apr 17 '15
55
Why is the detection of gravitational waves so significant?
Feb 11 '16
51
Can anything be seen from the center of the Boötes void? How dark would it be?
Apr 17 '19
31
How to calculate how many photons are in the universe?
Aug 28 '16
30
Why can't I see the blue color scattered by the lower atmosphere of the earth?
Nov 17 '15
27
Does the number density of photons $n_\gamma\approx 10^8 \:\mathrm m^{-3}$ refer to CMB photons only?
Jul 28 '15
24
Drying clothes with the sun's heat, without any air
Apr 7 '15
23
How did the universe shift from "dark matter dominated" to "dark energy dominated"?
May 23 '16
Top network posts
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65
Why doesn't the moon twinkle?
53
How do we have photos of galaxies so far away?
46
Does the sun cross other spiral arms in its movement around the galaxy's center?
44
Is lithium considered a metal in astronomy?
38
How far apart are stars in a binary system?

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