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 →
How People Like You Spend Their Time
Looking at American time use for various combinations of sex, age, and employment status, on weekdays and weekends.
Shifting Incomes for Young People
Compare incomes for young people from the Millennial generation and the baby boomer generation.
Fast Food Menu of Calories
How does the distribution of calories vary by fast food restaurant? Here’s a chart that shows all the menu items for ten of the biggest national fast food chains.