Three sketches of "we are a speck"

Looking out is looking back

Light is fast but the sky is far. Every star you see is the past — you're seeing it as it was when its light left. The deeper you look, the further back in time.

Hover a row. The bar is log-distance; the year is when that light began its trip to your eye.

Mass tells space how to bend

Gravity isn't a force pulling you — it's geometry. Mass curves the grid of spacetime, and things just follow the straightest path through the bent grid. Watch the masses drift and the grid warp around them.

Zoom out until you vanish

Drag to pull the camera back, ten times at a step. Watch Earth — the blue dot — shrink past a pixel, until "you are here" stops meaning anything.

It sounded absurd. It was measured anyway.

Every prediction below was ridiculed, then confirmed. A century of experiments built to break relativity has only made it sturdier — which is why it's still physics' best description of space, time and gravity.

Not one confirmed experiment has ever contradicted it. That's what "most accepted theory" actually means.