SpaceX launched BOHR, the first commercial nuclear-powered satellite, using betavoltaic technology that converts tritium's beta decay into electricity. This marks a milestone in space power systems, especially for missions to low-light environments like the Moon's permanently shadowed craters. For UPSC aspirants, understanding betavoltaic vs RTG, tritium properties, and satellite power sources is key.
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- ›Satellite Name: BOHR
- ›Developer Company: City Labs (Florida)
- ›Target this Data: BOHR satellite launched on July 7, 2026 via SpaceX Falcon 9 (Transporter-17)
- ›Target this Technology: Betavoltaic power using tritium beta decay vs RTG using plutonium decay heat
- ›Target this Comparison: Solar power ~1.4 kW/m² near Earth; efficiency ~30% using Li-ion batteries
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