drew@drewexmachina.com
Back in the late 1990s, while I was still teaching classes in astronomy for a local adult and continuing education program, an elderly student of mine […]
About twenty years ago while I was still teaching classes in astronomy for a local adult and continuing education program, an elderly student of mine gave […]
When thinking about the old Soviet space program, people usually remember its long history of crewed space missions or its somewhat checkered lunar and planetary programs […]
The desire to find life beyond Earth is as great as it has ever been. While the systematic study of Mars and its potential for harboring […]
This season is witnessing yet another celebration of Christmas on board the International Space Station (ISS) which has been continuously occupied since November 2000 (see “Christmas […]
The desire to find life on another planet is as strong today among scientists and lay people as it has ever been. While this search had […]
The landing of Chang’e 3 on the Moon on December 14, 2013 rightfully received a lot of attention not only because it was China’s first landing […]
Whenever I think “gamma ray observatory”, impressive orbiting platforms come to mind like NASA’s massive 17 metric ton Compton Gamma Ray Observatory launched in 1991 or […]
There seems to have been increasing interest in the last decade or more in microsatellites (small satellites with masses in the 10 to 100 kg range), […]
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