https://petapixel.com/2019/01/03/th...of-an-object-at-the-edge-of-the-solar-system/
How did they know a 21 mile long object was out there 4.1B miles away ?
Then navigate near enough (18,000 miles) to photograph it ?
And how many nano/femto watts of radio waves came back to earth with the picture ?
How did they know a 21 mile long object was out there 4.1B miles away ?
Then navigate near enough (18,000 miles) to photograph it ?
And how many nano/femto watts of radio waves came back to earth with the picture ?