drew@drewexmachina.com
During the course of over half a century, we have sent spacecraft to encounter every planet known in the Solar System. Having grown up in the […]
During my teens, I became a voracious reader of books on spaceflight, astronomy and (eventually) science in general. For whatever reason, there are certain stories I […]
While launching crews into orbit has become routine with even commercial companies beginning to provide lift services for customers like the US government, it was far […]
On September 17, 2020, the Pan-STARRS1 (Panoramic Survey Telescope and Rapid Response System 1) survey at the Haleakala Observatory in Hawaii detected a slow moving object […]
When I was growing up in the late-1960s and 1970s, I loved color photographs of the Earth taken by the astronauts during NASA’s manned spaceflights. What […]
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 […]
For almost as long as I have had a serious interest in the Soviet space program, I have enjoyed Soviet space art. Three decades ago, I […]
For space enthusiasts of a certain age like myself, the 1970s were a golden age of discovery with missions encountering all five planets known to ancient […]
As the year 1962 unfolded, NASA was beginning its series of crewed orbital spaceflights as part of the Mercury program. But with the crewed Gemini and […]
While remote sensing techniques are useful in determining the composition of other worlds, the Rosetta Stone for planetary scientists is actual samples which can be subjected […]
One of the most exciting moments in a landing mission is when the first images from the surface of another world are returned back to Earth. […]
Growing up in the late 1960s and 1970s, I was an avid viewer of science fiction on television. Naturally, the programs I watched included the classic […]