When we think about the night sky, most people likely picture constellations, planets, the moon, or even meteors, on occasion. But the third-brightest object in the sky doesn’t fall into any of those categories. Plus, it’s constantly moving. If you guessed that it’s the International Space Station (ISS), you’d be…
from Lifehacker https://ift.tt/3c0ig8s
https://ift.tt/3uxN5HV