Asgard ships possess a system of unknown nature (since it was mentioned as a problem, but never seen in action), that prevents explosions from occurring on ship. As a result, many of the tactics used against Goa'uld ships from the inside, by less advanced races (grenades, C4 and nuclear devices), would be rendered useless on Asgard ships. This technology presumably is not limited to their space fleet, and is probably fairly ubiquitous throughout Asgard facilities. (SG1: "Nemesis")

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v • eAsgard
Individuals	Aegir • Aesir • Alec Colson's Asgard • An • Asgard ancestor • Chief Archon • Famrir • Fenrir • Freyja • Freyr • Frigga • Frode • Heimdall • Hermiod • Hermod • Idun • Kvasir • Loki • Odin • Penegal • Ran • Sigyn • Sujanha • Thor • Tyr • Zeus
Planets	Hala • Orilla • Othala • Pertho • Omega Site
Terms	Alliance of Four Great Races • Asgard language
Technology	Asgard alloy • Deceleration drive • Asgard defensive drone • Asgard drone • Asgard directed energy weapon • Asgard regeneration pod • Asgard transport rings • Auto-dialer • CADs mk 4 • Asgard communicator • Asgard computer core • Asgard control console • Consciousness transfer device • Disruptor satellite • Dome device • Ion gun • Explosion suppression system • Asgard hand device • Asgard hologram • Asgard hyperdrive • Asgard invisibility device • Isa device • Matter converter • Mjolnir pendant • Neutrino-ion generator • Asgard Obelisk Transporter • Asgard plasma beam weapon • Asgard power core • Ramir • Replicator disruptor • Replicator disruptor cannon • Asgard sensor • Asgard shield • Ship interface goggles • Shock spear • Asgard stasis pod • Asgard stone • Tactical bomb bay • Thor's Hammer • Time dilation device • Asgard transporter • Well of Mimir