Echo JS 0.11.0

While interesting, the main source is obfuscated/minified, and there's no link to anything that can serve as a point of informational reference in terms of this site's main topic (JavaScript).

Up = throttle, left / right = turn, 1–9 = speed of simulation, +/- = zoom

All celestial objects are where they actually are right now and gravity physics should be quite accurate. Athmospheric drag still missing, hyperbolic trajectories look funny etc, but getting there..