For the first time, astronomers have shown that telescopes could provide enough warning to allow people to move away from an asteroid strike on Earth.
원문출처 : https://www.cnn.com/2019/06/30/world/international-asteroid-day-trnd-scn/index.html
원문출처 : https://www.cnn.com/2019/06/30/world/international-asteroid-day-trnd-scn/index.html