Channel: ScienceAtNASA
Category: Science & Technology
Tags: astronautnasasciencecastsinternational space stationclimage changesciencedisaster responseearthissphotography
Description: To date, over 4 million photos taken by humans from space have been collected. These photographs are taken for many purposes, from artistic to the scientific, and help to show how our planet changes over time. Space Station Research & Tech: nasa.gov/iss-science Gateway to Astronaut Photography of Earth: eol.jsc.nasa.gov