drew@drewexmachina.com
It has been almost two decades since the first extrasolar planets were discovered orbiting Sun-like stars using precision radial velocity measurements. But as more accurate instruments […]
Without a doubt, the most prolific planet hunter to date has got to be NASA’s Kepler mission. Launched into solar orbit on March 7, 2009, Kepler […]
After the initial flurry of lunar mission launches in the opening years of the Space Age, the Soviet Union had amassed a significant list of Moon-related […]
On May 5, 1965, Soviet authorities officially announced that contact with the malfunctioning Zond 2 spacecraft had been lost three months before it reached Mars. Zond […]
For over half a century, controversy has swirled around Barnard’s Star and the possibility it could harbor extrasolar planets. Back when I was growing up in […]
After the launch of the first Soviet Sputnik satellites, the US found itself scrambling to get its first satellites into orbit. But in order to repair […]
The impact of the first human to fly into space can hardly be appreciated today in this age of a continuous human presence in Earth orbit. […]
At the beginning of the Space Age, a number of new technologies were being examined to support increasingly sophisticated missions then being considered. Among these were […]
For just about anyone under the age of fifty, satellite pictures of Earth’s cloud cover have been a staple of weather reports on television and, more […]
About two and a half years ago, the web was filled with stories about the announcement of an Earth-size extrasolar planet discovered orbiting our Sun-like next […]
The development of several new state-of-the-art spacecraft to support crewed operations in Earth orbit and beyond has been in the news much in recent months. As […]
Since entering orbit around Mercury four years ago, NASA’s MESSENGER spacecraft has had to use its propulsion system periodically to compensate for the effects of the […]
