Measuring distances accurately has become significantly easier with the advent of smartphone technology, particularly with the array of distance measuring apps available for both Android and iPhone.

Now and then there is a bright radio flash somewhere in the sky. It can last anywhere from a few milliseconds to a few seconds. They appear somewhat at random, and we still aren't sure what they are.

Open earth.google.com. Go to Tools > Measurement. Click on the starting point. Hover your mouse and click on the endpoint. Head to the Measure pop-up box. To learn more about these steps, continue ...