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Glenn writes a lot about satellites and space: links

I've developed an obsession with space in the last couple of years, particularly with satellites, probes, landers, rovers, and other gadgets that we send into it. When I was a kid, I used to read and dream about space, but wandered off into other meadows. Returning to it is a blast (sorry) as my decades studying, working with, and reporting with technology gives me an entrée into the world (or worlds) of mission planning, launches, travel, landing, and deployment.

 Glenn visits Curiosity's sibling at JPL in Pasadena.
Glenn visits Curiosity's sibling at JPL in Pasadena.

Here's a collection of what I've been writing about, largely at the Economist.

Voyager 1 & 2

The Voyagers continue to function nearly four decades after launch, delivering useful science. Most recently, Voyager 1 passed the edge of the solar magnetic bubble (the heliosphere), crossing the heliopause into the interstellar medium! (It's still within the solar system, as defined by the sun's gravitational