Celestial mechanics: Analytical model reveals true cause of orbit bifurcations near Lagrange points

Advanced space travel relies on a fundamental understanding of the restricted three-body problem (RTBP), in which one of the ...
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The Fastest Way to Speak to a Real Person at Amazon Customer Service

Did you know you can customize Google to filter out garbage? Take these steps for better search results, including adding Lifehacker as a preferred source for tech news. Amazon is one of the biggest ...