Eduardo Guerras Valera

1,722 reputation

214

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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.

	1,722 reputation	bio	website		visits	member for	7 months
214 badges		location	Spain		seen	13 hours ago

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46 Answers

votes activity newest

9	How can the speed of light be a dimensionless constant?
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?
6	How (or why) equivalence principle led to Einstein field equations?

1,722 Reputation

+40	How does my hand amplify an FM radio signal?
+20	General relativity and the microscopic/macroscopic distinction
+10	How (or why) equivalence principle led to Einstein field equations?
+10	Can endergonic reactions occur outside of living organisms?

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?

95 Tags

23 general-relativity × 9	11 special-relativity × 4
16 quantum-mechanics × 8	11 fluid-dynamics × 2
16 astronomy × 8	11 equivalence-principle × 2
12 soft-question × 6	10 everyday-life × 2
12 physical-constants × 2	9 dimensional-analysis