The Alien Obelisk Sol-Sirius Network is a network of three alien obelisks built in the Sol system by an unknown civilisation. These obelisks were also connected to a temporal anomaly in the Sirius sector. (Dragon Ball Z vs. Star Trek: The Beginning of Infinity, Dimensional Prophecy of Zohar) Michael would later locate the monolith in the Sahara. An autistic savant, Michael was able to activate the monolith. To gain more information about the network the Arale supercomputer was built to interface with the alien network.