JF Mezei writes:

Sad news:
Arecibo collapsed today.

https://www.bbc.com/news/world-us-canada-55147973

In other unreported interstellar news....

In an unfortunate twist of fate, a civiliztion orbiting a star only 20
light years from Earth and in the signal path to the M13 Beehive star
cluster in the constellation Hercules, responded to the signal sent
from Arecibo in 1974 but, because of the additional three years of
analysis on their part, too late to be heard by us....

Before you reply note: -- :-) --

Dave