Between small and big, there are more than 1 million asteroids out there that could hit the Earth. Right now, we are mostly ignoring the probability of a massive one suddenly appearing. It’s time to act: #AsteroidDay

Here's one from mission 53, 2017. pic.twitter.com/qU5BtshqoE

— Paolo Nespoli (@astro_paolo) June 30, 2020
.....