![DTN solar system](https://lh3.googleusercontent.com/blogger_img_proxy/AEn0k_umxHA2WG3IuvoLe4qxxMa-F_Nms8CnF_BVy4O35KJ0xkaBl0cqomdokP84npXWTIJTaMuY-ODIiw=s0-d)
When you really need to get a signal in from Pluto, a direct connection isn’t always possible. Oh sure, when it’s a big project like New Horizons, you can make sure the line is clear and someone’s listening — but for routine updates from a Neptune orbiter or power-starved comet lander, there’s Delay Tolerant Networking, which just got its first big installation on…
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