I don't know why ... Wait why didn't I do one for the FLRW Universe? Buy a blank Minkowski Penrose diagram sticker here and support FWPhys! Redbubble
... What else can you do while waiting for cosmological simulations to finish other than drawing or reading? Asking for a friend.
If you like scrolling you might enjoy the previous feature: solar-earth light ray diagram to scale. In the spirit of that, and to answer some general complaints, "Why is the photo so blurry!?"... Here's me attempting to put our first black hole portrait to human scales. Of course, this time it's utterly impossible to put … Continue reading [To Scale] That Black Hole Picture
I guess you know the drill by now. Round earth with a moon whizzing around, and the pair occasionally block sunlight from each other. Neat stuff. Do you want to see an actual ray diagram of that? Yes! Well, I drew one in Adobe Illustrator, and then converted it to html. Edit: WP Does not … Continue reading What Does it (really) Take for an ECLIPSE?