nebula,Astronomy,Orion,space
By Unknown
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Astrophotographer John Chumack was killing time while waiting for Comet ISON (a potentially spectacular comet making its closest approach to the sun in November and December) to rise when he captured this beautiful image of the Orion Nebula, M42 (NGC 1976) along with neighbor, De Mairan's Nebula M43.
technology,sabre,science,engine,space
By Unknown
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If this works it will change the world, its the SABRE engine in development by Reaction Engines Ltd. It will use oxygen from the atmosphere as the oxidizer and then switch to on board liquid oxygen reserves to make the final push to space. This right here is the next stepping stone to bringing down the cost of getting people and materials into space.
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