Complex sentence: On Thursday May 8,1997, at 21:42 UTC, the Gamma Ray Burst Monitor on board the Dutch-Italian BeppoSAX satellite registered a gamma-ray burst lasting approximately 15 seconds, which was detected by the robotic space probe Ulysses as well.
Split into simpler sentences: On Thursday May 8,1997, at 21:42 UTC, the Gamma Ray Burst Monitor on board the Dutch-Italian BeppoSAX satellite registered a gamma-ray burst lasting approximately 15 seconds. It was detected by the robotic space probe Ulysses as well.