infamously

adv — 2 senses

adv

Etymology From infamous + -ly.

In an infamous manner.

Famously, known for being.

But black holes are infamously invisible, so they have to be observed indirectly.2019 March 4, Michael Irving, “Doomed, rare black hole spotted near the center of the galaxy”, in New Atlas:

Entry derived from the Wiktionary, under licence CC BY-SA 4.0 — list of authors.