:41:02
lt was buried 40 feet
below the lunar surface...
:41:06
...near the crater Tycho.
:41:10
Except for a single, very powerful...
:41:14
...radio emission aimed at Jupiter...
:41:19
... the 4-million-year-old monolith
has remained completely inert...
:41:25
...its origin and purpose...
:41:29
...still a total mystery.