A cadre of international scientists plans
An updated transmission to extraterrestrials :
Binary code beamed by waves of radio
[ Universal across all intelligence levels ] ;
Mathematica simplex: zero/one, black/white, yes/no—
And this is how the message ran:

– Bases, binary and decimal; prime numbers + the largest prime
– Mathematical operations | add, subtract, multiply, divide |
– Most common elements | carbon, hydrogen, nitrogen, oxygen, phosphorus, and sulfur | .
– Deoxyribonucleic structures
– Solar system’s position using globular clusters
– Physics of particles
– Algebraic articles
– Earth composition and characteristics
– Different trademarks humanistic
– Position of Earth in solar depiction
– Geographical survey
– Exponential operations
– An invitation to reciprocate

Not the first intentional heavenly missives ;
A century of casting out unintentionals—
Just reaching the shallows :   not even a nibble .