This animated interactive explains how a research group is using light to measure the speed of objects millions of miles away. Light that is farther away will appear to be a different color than a light that is closer. So by measuring the rate of color shifts, they can estimate velocity.
Light from the center of the galaxy
Projects by FlowingData See All →
Relationships: The First Time…
When Americans had sex, moved in with someone, and so on. Often not average. Far from normal.
When People Find a New Job
Looking at the 100 most common jobs people switched to, a timeline comes into view when we adjust the relative switch rates by age.