
The barred spiral galaxy NGC 6872 is interacting with a smaller galaxy to the upper left. The smaller galaxy has likely stripped gas from NGC 6872 to feed the supermassive black hole in its center. via NASA https://ift.tt/eisghYj
The Carbothermal Reduction Demonstration (CaRD) project aims to demonstrate the carbothermal reduction of lunar regolith to produce oxygen ...
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