KB: We asked ourselves, "what obliquity, what misalignment would Planet Nine induce in the solar system?" because it must induce some. We know that Planet Nine's orbit in inclined. As a result, when Planet Nine torques the rest of the solar system, the two sort of act as two precessing tops.

SpaceX launched its first set of 60 satellites last month. Now the International Astronomical Union has weighed in on the issue and underlined the potential problems to science that satellite launches could cause due to light pollution and interference with telescope and radio signals.