A funny coincidence is that the solar system was formed 4.6 billion years ago which is exactly when the universe's rate of expansion peaked according to figure 3.

If you want to believe in an intelligent creator—not that I do—it's as if they were accelerating the expansion until the solar system was formed, then turned the control knob down.

That's a very thought provoking observation, as if the whole universe behaved like a wave.

> it kind of fits a sine wave

But wavering around a line above y = 0.