New images of Earth at night
NASA just released a composite map of the world at night using satellite imagery from 2016. This is the first nighttime map since 2012, but the team behind the work hopes for bigger things with a more real-time system.
For instance, daily nighttime imagery could be used to help monitor unregulated or unreported fishing. It could also contribute to efforts to track sea ice movements and concentrations. Researchers in Puerto Rico intend to use the dataset to reduce light pollution and help protect tropical forests and coastal areas that support fragile ecosystems. And a team at the United Nations has already used night lights data to monitor the effects of war on electric power and the movement of displaced populations in war-torn Syria.
Be sure to check out the high-res versions to see all the little pockets of light around the world.
Become a member. Support an independent site. Make great charts.Join Now
Learn the process of making, designing, and exploring data graphics. Your support goes directly to FlowingData, an independently run site.
What You Get
- Instant access to tutorials on how to make and design data graphics
- Source code and files to use with your own data
- In-depth courses on how to make great charts
- Hand-picked links to tools and resources
- Members-only newsletter
Real Chart Rules to Follow
There are rules—usually for specific chart types meant to be read in a specific way—that you shouldn’t break. When they are, everyone loses. This is that small handful.
Shifting Incomes for American Jobs
For various occupations, the difference between the person who makes the most and the one who makes the least can be significant.
One Dataset, Visualized 25 Ways
“Let the data speak” they say. But what happens when the data rambles on and on?