BTN-Neutron Experiment: Second Stage Underway Aboard Russian Segment of the ISS December 3, 2024, the second stage of BTN-Neutron experiment commenced after the arrival of BTN-M2 scientific instument. Installed inside the RS ISS, it complements the BTN-M1 instrument operating on the external side of the RS ISS.
BTN-M1 Resumes GRBs Monitoring Onboard Russian Segment of the ISS On August 8, 2024 BTN-M1 instrument onboad Russian segment of the ISS resumed gamma-ray bursts (GRBs) monitoring together with Russian neutron spectrometer HEND (onboard NASA's Mars Odyssey mission). Just the day after they detected new GRB240809A from hypernova at a distance z ~ 1.5.