drew@drewexmachina.com
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 […]
While one of the primary motivations for NASA’s Kepler mission has been the detection of Earth-size planets orbiting Sun-like stars in Earth-like orbits using precision photometry […]
The first confirmed discovery of an extrasolar planet took place in 1992 with the detection of planets orbiting the pulsar known as PSR 1257+12 followed in […]
Today marks the second anniversary of the announcement of the discovery of the planet α Centauri Bb. But despite the importance of finding a planet orbiting […]
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 […]
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, […]
