Origin
The man known as Astrolabe is actually named Al-Hasan. He was a human member of a group known as The Guardians in the year 1000. Astrolabe holds a sentient star inside his mind.
Creation
Astrolabe was created by Dan Abnett and Carlo Barberi and first appeared in Guardians of Infinity issue 1 (2016).
Major Story Arcs
Meeting the Guardians from 21st Century
Astrolabe and his group of Guardians met their twentyfirst counterparts in a battle for the ages.