drew@drewexmachina.com
Recently I re-read the 1980 revised edition of Robert Powers’ book Planetary Encounters: The Future of Unmanned Spaceflight which I had bought just a couple of […]
In the days before the internet, the primary means of getting information about space exploration was in books and print periodicals. And back in those days […]
With a total of seven spacecraft currently operating in orbit and on the surface of Mars today, it seems hard to believe that just a half […]
The Voyager mission to the outer planets was arguably one of the greatest voyages of discovery in the history of human exploration. Over the course of […]
Along with the pair of rovers still active on the Martian surface (including Opportunity which has been on the move for over a decade now), NASA’s […]
The second part of my latest article, “Planetary Orbit Insertion Failures Part II”, has been published on line in The Space Review. With a half a […]
The first part of my latest article, “Planetary Orbit Insertion Failures Part I”, has been published on line in The Space Review. With a half a […]
The 1976 Viking missions to Mars have been our only attempts to date to search directly for life on another planet. The pair of identical Viking […]
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