Satellites: How They Change Our Lives | Space Science | Episode 5 | Free Documentary

On a Mission from Earth - Satellites (and How They Change Our Lives)
In 2015, Nepal was hit by the strongest earthquake in the country's history. Images from radar satellites capture geological mapping and the impact of the quake - almost to the centimeter. In 1946, cameras delivered the first shots from space. Today, the continuous monitoring of Earth is already within reach. Modern telephony, television, and the internet are not possible without the technology in Earth’s orbit. Big data threat or telecommunications 2.0? Prof. Dr. Ulrich Walter explains in Space Science.