There is much more to the Universe than what it appears at first sight. It shines in all kinds of different lights ranging from radio waves to gamma rays. This very minute we are being bombarded by elusive neutrinos and inundated by gravitational waves.
The annual meeting of the European Astronomical Society EAS 2020 hosted a session on the impact of the upcoming commercial satellite constellations on professional astronomy. Astronomers, engineers, and representatives of companies discussed the future coexistence of astronomy and satellites. My takeaway from the meeting is: it never rains, but it pours.