Eduardo Guerras Valera

1,869 reputation

215

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	location	Spain
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I am an astrophysicist. What I do is mainly computational and observational, focused on extragalactic astronomy and gravitational lensing. Additionally, I like to improve my modest background in theoretical physics.

	1,869 reputation	bio	website		visits	member for	8 months
215 badges		location	Spain		seen	14 hours ago

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48 Answers

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10	How can the speed of light be a dimensionless constant?
8	What is the Earth truly rotating about/revolving around?
8	What was Albert Einstein's proof for $E=mc^2$?
7	Difference between $\partial$ and $\nabla$ in general relativity
7	How much of the universe is observable at visible wavelengths?

1,869 Reputation

+10	How can the speed of light be a dimensionless constant?
+20	Rotational velocity of face-on spiral galaxies using spectroscopy
+20	What is the Earth truly rotating about/revolving around?
+10	Astronomical-wavelength radio (AWR) transmissions between cosmic plasmas?

9 Questions

votes activity newest

6	Gauge covariant derivative in different books
6	What are the 't Hooft papers about classical models underlying QM?
6	Is there any dynamical reason for the winter solstice to happen close to the perihelion?
4	Liouville's theorem and gravitationally deflected lightpaths
2	Does a constant factor matter in the definition of the Noether current?

98 Tags

23 general-relativity × 9	12 rotation × 3
18 astronomy × 9	11 special-relativity × 4
16 quantum-mechanics × 8	11 inertial-frames × 3
13 physical-constants × 2	11 fluid-dynamics × 2
12 soft-question × 6	11 equivalence-principle × 2