What cosmic news you've heard was the most shocking to you? (in a pleasant way)

[Misha Marchuk]

The best news for me was that Elon and SpaceX succeeded in realizing their idea of reusing rockets.

 

[Patrick fenex]

News about the confirmation of the 'acceleration' of the expansion of the Universe. Which of course led to the discovery of dark energy. Completely unexpected. A foundational paradigm shift

 

[sam85geo]

"Hot off the presses". Stellarwest's post, Friday, 7-9-'21, that the supernova of Betelgeuse may be visible on Earth within ~5+ years. The analysis and program code are delineated. Well worth the read and pondering, and for the "thru the bits types" a nice weekend project to tinker with.

 

[Helio]

Watching Armstrong leap off the lander.

 

[Catastrophe]

That some believed that there were roads on Mars, and probably Neanderthal palaces on Neptune. Saves going there to actually look.

Cat

 

[Terra Australis]

There are so many craft in Earth orbits now that they photobomb night sky photography and present a risk of crashing into and disabling other craft.
Put succinctly, the amount of junk circling the Earth.

 

[Lariliss]

Starlink launches: delights from gazing ‘satellite trains’ and strong worries of the impact on debris (half of collisions are assigned to them).

Pushing a scenario.

“Imperious Starlink flashes forth / Their edict ‘to begin it’: / In gentler tones Stargazers hope ‘There will be nonsense in it!’ / While The rest speculates the sequels/ Not more than once a minute.”