In ecology, there used to be a concept — now largely unfashionable — that species could be described as r- or K-selected, depending on how they treat their offspring. An elephant that has one calf every few years and devotes immense resources to them is adopting a K-selection strategy — much as NASA traditionally has to its flagship probes, like Cassini. A sea turtle who leaves hundreds of eggs in a clutch on the beach and leaves without saying “good luck”, content in the knowledge that one of them will probably make it to adulthood is engaging in an r-selected strategy, and it’s this strategy that [Dr. Michael Rubenstein] is proposing for a next-generation mission to Saturn as part of NASA’s Innovative Advanced Concepts Program for 2026. Entitled “Actively Steerable Femtosat Constellations for In-situ Exploration of Saturn’s Rings, Atmosphere, and Magnetosphere” 
The concept is pretty simple: the rings are a horrifying mess of dust, debris, and ice bits of all sizes that represent almost certain death for a spacecraft. By launching 10,000 femtosatellites, those odds of almost certain death become an almost certainty that one or more will make it through with precious data. In the immortal words of Lord Farquhar, “Some of you may die, but that is a sacrifice I am willing to make.” With Cassini, NASA would never consider such a sacrifice. With itty-bity femtosatellites, it starts to make sense. We’ve been saying for years that the future of space is tiny, but these sacrificial probes would make even modern cubesats and picosatellites look big.
Thanks to [Richard HT] for the tip! His tip was to a podcast featuring [Dr. Rubenstein] with [Fraser Cain], which we’ve embedded below. It has a lot more details than NASA’s official blurb page.
This articles is written by : Nermeen Nabil Khear Abdelmalak
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