Managing the impacts
Instantly after the primary Starlink satellites launched in 2019, the astronomical group reached out to a number of satellite operators —...
Will Pluto and Neptune ever collide?
Tom Knize
St. Louis, Missouri
With Pluto spending 20 years of its 248-year orbit throughout the orbit of Neptune, you...
Ruining perfection
Many historic cultures noticed comets as harbingers of doom and catastrophe. The predictable motions of the planets, the Solar, and the Moon,...