What makes Out of the Silent Planet by King's X notable?

'Out of the Silent Planet' received critical acclaim for its innovative approach and rich harmonies, often cited as a precursor to the progressive metal genre. The album's unique sound and lyrical depth garnered attention from various music publications, allowing it to gain a cult following that influenced later bands in the alternative and metal scenes. Released on March 28, 1988, 'Out of the Silent Planet' was King's X's debut album, introducing their unique blend of hard rock and progressive influences. At this point in their career, the band was establishing themselves within the burgeoning alternative rock scene, paving the way for their subsequent releases that would further define their sound.