The World

For today’s Geo Quiz we were looking for the altitude at which the Earth’s atmosphere crosses over into outerspace. That boundary is referred to as the the K-rm-n line. The answer is 100 km or 62.1 miles above sea level. Amateur photographer Robert Harrison figured out a way to take pictures from far above the earth’s surface. Anchor Marco Werman speaks with him.

Will you support The World?

The story you just read is not locked behind a paywall because listeners and readers like you generously support our nonprofit newsroom. Now more than ever, we need your help to support our global reporting work and power the future of The World. Can we count on you?