If the object really is Planet Nine, it would be larger than Neptune and exist 700 times further from the sun than Earth.

Regarding the right ascensions and declinations of celestial objects for the purposes of amateur astronomy, some coordinates ...

And then from here, you can look at objects at different distances with the same angular resolution and you end up with different linear resolution. So if you have very, very fine angular ...

Asteroid 2024 MK, first spotted just 13 days before it came its closest to Earth, was determined to be a 500-feet long, 'elongated and angular' object per NASA's radar that captured it skim our ...

The phenomenon of the conservation of angular momentum caused the material ... on occasion, celestial objects visited us.