drew@drewexmachina.com
While NASA’s recent announcement of the discovery of seven Earth-size exoplanets found orbiting the nearby ultracool dwarf star known as TRAPPIST-1 was exciting enough, the fact […]
Before the discovery of the first extrasolar planets two decades ago, astronomers expected that the architecture of our Solar System was typical – a more or […]
The Holy Grail of NASA’s Kepler mission is the identification of what have become popularly known as “Earth twins”: Earth-size planets in Earth-like orbits around Sun-like […]
A half century ago, NASA’s Mariner 4 spacecraft had completed the first successful flyby of Mars on July 15, 1965 (Universal Time) and had already finished […]
NASA’s New Horizons spacecraft, currently in the middle of its historic encounter with Pluto and its system of moons, is the culmination of a quarter of […]
Over the past several years, NASA’s Kepler mission has discovered over a thousand confirmed planets with thousands more unconfirmed candidates awaiting follow up observations and even […]
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 […]
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 […]
The past couple of years have been eventful ones for those with an interest in habitable extrasolar planets. The media has been filled with stories about […]
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 […]
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 […]
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 […]
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