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Impulse Space raised $150M Series B in 2024 for its high-performance chemical propulsion spacecraft (Mira and Helios) that provide in-space transportation, enabling rapid satellite deployment and orbital transfer.
Impulse Space develops orbital transfer vehicles (OTVs) — spacecraft with high-performance chemical propulsion systems that can transport satellite payloads from launch vehicle deployment orbits to their operational orbits, or maneuver constellations for rapid response missions. The company's Mira vehicle targets LEO and MEO missions while the larger Helios vehicle aims for GEO and cislunar missions.
Pixxel raised $95M Series B in 2024 for its hyperspectral Earth observation satellite constellation that captures 150+ spectral bands, enabling detection of crop disease, pollution, and mineral deposits invisible to standard cameras.
Pixxel is building a constellation of hyperspectral Earth observation satellites that capture images across 150+ narrow spectral bands — far beyond the 3–4 bands of standard multispectral satellites. Hyperspectral imaging reveals chemical signatures in the Earth's surface and atmosphere that standard cameras cannot detect: early-stage crop disease before visible symptoms appear, methane leak signatures from oil and gas infrastructure, mineral deposit composition for mining exploration, and water quality parameters.
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