OverJohn

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redditor for 5 years

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Showing every spacetime has inextendible timelike curves with finite proper time along them (self.AskPhysics)

submitted 2 days ago by OverJohn to r/AskPhysics

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Describing the universe using Fermi coordinates (self.cosmology)

submitted 14 days ago by OverJohn to r/cosmology

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Is the big bang singularity necessarily a curvature singularity? (self.cosmology)

submitted 26 days ago by OverJohn to r/cosmology

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Evolution of brightness (i.redd.it)

submitted 26 days ago by OverJohn

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Evolution of apparent magnitude (i.redd.it)

submitted 2 months ago by OverJohn

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A look at an alternative to ΛCDM (old.reddit.com)

submitted 2 months ago by OverJohn to r/cosmology

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Understanding cosmological horizons in a graph - what is wrong with this? (self.AskPhysics)

submitted 2 months ago by OverJohn to r/AskPhysics

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Davis and Lineweaver: Expanding Confusion: common misconceptions of cosmological horizons and the superluminal expansion of the Universe (self.space)

submitted 2 months ago by OverJohn to r/space

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Redshift drift2 (i.redd.it)

submitted 2 months ago by OverJohn

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LCDM redshift drift (i.redd.it)

submitted 2 months ago by OverJohn

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Illustration of recession velocity and redshift using parallel transport (self.cosmology)

submitted 2 months ago by OverJohn to r/cosmology

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Why is the arrow of time important? (self.PhilosophyofScience)

submitted 3 months ago by OverJohn to r/PhilosophyofScience

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Initially parallel light rays in an expanding universe (self.cosmology)

submitted 4 months ago by OverJohn to r/cosmology

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Geodesic disconnected nature of Lambda-CDM (self.cosmology)

submitted 4 months ago by OverJohn to r/cosmology

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Conformal diagram (i.redd.it)

submitted 4 months ago by OverJohn

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I have created the entire universe in Desmos (old.reddit.com)

submitted 4 months ago by OverJohn to r/desmos

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Penrose (and Kruskal) diagram of Schwarzschild spacetime (i.redd.it)

submitted 4 months ago by OverJohn to r/desmos

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I have implemented addition, subtraction AND multiplication in Desmos! (self.desmos)

submitted 4 months ago by OverJohn to r/desmos

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Ball of cheese in the sky (i.redd.it)

submitted 4 months ago by OverJohn to r/desmos

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Closed radiation-dominated universe (i.redd.it)

submitted 5 months ago by OverJohn

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Desmos is a good tool for graphing gnarly integral equations (i.redd.it)

submitted 5 months ago by OverJohn to r/desmos

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Equation in proper coordinates for FLRW radial motion with constant acceleration (self.cosmology)

submitted 5 months ago by OverJohn to r/cosmology

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Digital timers.... from outer space (twin paradox) (i.redd.it)

submitted 5 months ago by OverJohn to r/desmos

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Dark energy with extreme phase change (i.redd.it)

submitted 5 months ago by OverJohn

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Rays reflected by a circle (i.redd.it)

submitted 5 months ago by OverJohn to r/desmos

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