[css-egg-1] Note about astronomical units doesn't match physical reality #2491
In the 'Astronomical units' section, the parsec unit (
However, all browsers I tested don't preserve this proportion. Instead, they render 1 parsec as something about 0.38 to 0.4
The only explanation to this phenomenon I can come up with is that, according to the Special Relativity theory, "traditional" units and astronomical units are measured in the different reference frames: the Lorentz factor of the reference frame where "traditional" absolute units are measured is extremely lower than that of the reference frame used for astronomical units. While the Lorentz factor of the former is usually below 2 (e.g., on iPhone and iPad mini
I haven't calculated which speed does the Lorentz factor used for astronomical units correspond, but given that the CSS EGG spec has many references to CERN, I guess that this speed has something to do with the LHC (maybe it's the speed of the proton beam at its maximum energy?).
Technically, this speed is not "the speed of light or beyond", so I can't say that the current Note in the spec is absolutely wrong. But because it's 1) very close to it and 2) its Lorentz factor is in constant proportion to that of other physical units in all browsers, I believe this fact is also worth noting in the spec!
Since the picas unit doesn't seem used much in the wild, maybe this conflict can be resolved by replacing it with picopica (1e-12 picas) unit? I assume that, given the constantly growing screen resolutions of the mobile devices, this unit could be really useful in VR/AR applications like PokemonGo in the super-high-definition Web context...
I did calculate the speed, and inertial frames ain't gonna cut it: the faster frame would have to be moving at something like
No, I think we can only reasonably explain the discrepancy via gravitational contraction. Specifically, CSS is a massive black hole and we're all deep within that region where events can be captured but not bubble up back to the initiating universe.
All your Christoffel symbols are belong to CSSWG.