The songs contain many outer-space elements, science fiction-themed narrations, and space sound effects.

Also featured is an instrumental version of the song "Beyond Antares", written for the Star Trek episode "The Conscience of the King" and originally sung by Nichelle Nichols.

Closing track "A Visit to a Sad Planet" is a spoken word science fiction piece that was released as a single and charted at number 121 on Billboard.

[3] The album was re-released in the UK in 1973 on the Rediffusion label as Mr. Spock Presents Music From Outer Space.

The track listing is identical to the original Dot Records release, but with a new sleeve design by Stephen Hill Design Services, including a different photo of Nimoy as Spock (front), and new liner notes by Ron Edwards (rear).