Book 8, Question 144
Why Do Some Images Use False Color?
Some images use false color because scientists map invisible light to colors we can see! They also boost contrasts, so that hidden structures pop out. False color is a translation, not fake news.
More fun facts
- Sometimes scientists make false color pictures because they did not get enough information to make a true color picture.
- False color often helps show tiny differences that are too small for a person to notice in a true color picture.
- Radio astronomers turned their gray pictures into color by assigning colors to different levels.
- Color infrared photos taken from airplanes are called false color because they show a scene in colors our eyes do not normally see.
- Scientists use false color aerial photos to map land, like forests and fields.
Sources: NASA Science, NASA, U.S. Geological Survey
Questions kids ask
Is a false color picture fake?
No. It shows real data, but the colors are chosen to make hidden details easier to see.