arecibo message
Word Rarity
Very rare
Frequency: Zipf frequency 2.14 in modern English
21
Scrabble Score
14
Letters
3
Syllables
10
Unique Chars
Meaning
name
An interstellar radio message broadcast on November 16, 1974 into the globular cluster Messier 13, in the hope that extraterrestrial intelligence might receive and decipher it.