Hawking Cipher Observatory

Book Cipher Transmission

Decode the Hawking key

Resolve the coordinates with your own copy of Stephen Hawking's A Brief History of Time. Format: chapter.page.line.word. The four clues stay in phrase order.

ABHOT 3.142.6.4 1.21.11.2 6.87.3.9 8.204.5.1
Signal locked. Awaiting the phrase.
Hidden message

Stars are aligned, but the message is still encrypted.