drew@drewexmachina.com
With the end of 2014 upon us, I figured it was time to look back over this year’s material on Drew Ex Machina and see which […]
The planets in our solar system are rather neatly grouped into two broad categories: relatively small rocky terrestrial planets and large non-rocky gas giants. With the […]
Sometimes it is amazing the kind of stuff one can find while stumbling around on the internet. A few years ago I found something that seems […]
In the first part of “The Search for Planets Around Alpha Centauri”, general information about the α Centauri system (also known by the ancient name, Rigil […]
As most of my readers probably already know, I frequently write articles that are published in various print and online periodicals in addition to the material […]
The planets Earth and Venus would seem alike to a distant observer looking at our solar system. They have similar radii, masses, bulk compositions and distances […]
According to an old adage, if it seems too good to be true, it probably is. For some time now, it has been claimed that a […]
One of the earliest television shows I clearly recall watching as a young child was the original run of the scifi classic, Lost in Space. As […]
Among the lay public, probably one of the most misunderstood astronomical terms that has recently come into common use has to be “super-Earth”. All too often, […]
During the past few days, word has started to spread about the latest study that has resulted in the “disappearance” of a pair of planets that […]
I readily admit that one of my pet peeves going back almost 20 years to the discovery of the first extrasolar planets has been overblown claims […]
The original motivation behind NASA’s Kepler mission (and, indeed, the primary driver of the design of its hardware) was to detect Earth-size planets orbiting Sun-like stars […]