NASA’S OSIRIS-REx Spacecraft Arrives at Asteroid Bennu

NASA’s Origins, Spectral Interpretation, Resource Identification, Security-Regolith Explorer (OSIRIS-REx) spacecraft completed its 1.2 billion-mile (2 billion-kilometer) journey to arrive at the asteroid Bennu Monday. The spacecraft executed a maneuver that transitioned it from flying toward Bennu to operating around the asteroid. Now, at about 11.8 miles (19 kilometers) from Bennu’s Sun-facing surface, OSIRIS-REx will begin a preliminary …

Hydrogen Peroxide Hypergolic Propellant – Where It Began

This is what started our investigation of hypergolic propellants based on hydrogen peroxide. After realizing that silver catalyst beds were too expensive and unreliable for orbital launch vehicles, historical research led to the work performed at Sandia National Labs early this century. They investigated blending the catalyst within the fuel itself to create a hypergolic …

Successful Main Propulsion System Test Fire

“It isn’t rocket science,” except when it is. On November 8, ARES Institute’s partner Aphelion Orbitals, Inc. successfully conducted a demonstration test fire of a flight-scale storable, non-toxic and hypergolic propulsion system for the first time. The test proved the viability of the technology that will power the first and second stages of the company’s …


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