Complex sentence: As the speech ends a massive radiation burst is emitted from the world's Stargate and fortunately the Earth ship "Odyssey" is in orbit and, detecting the approaching wavefront of the radiation, extracts SG-1.
Split into simpler sentences: As the speech ends a massive radiation burst is emitted from the world's Stargate. Fortunately the Earth ship "Odyssey" is in orbit and, detecting the approaching wavefront of the radiation, extracts SG-1.