Atmosphere on a Fictional Planet

So you’ve got your plot sorted out, and maybe some idea of the mass, radius and gravity of your fictional planet. The orbit puts it in the ‘sweet spot’ goldilocks zone where liquid water can be present on the surface. What sort of factors go into whether that planet, presumably an Earth-like rocky world, will have […]

Thank You Kepler! Thousands of New Exoplanets Now Confirmed

The number of new confirmed exoplanets – planets located outside our own solar system – continues to grow at an impressive rate. A massive amount of data is collected by space-based telescopes, which has to then be analysed and verified by astronomers. In the largest single announcement yet, NASA scientists have released information on 1,284 […]

Capturing our First Planetary Snapshots

  Kepler has confirmed more than 1000 planets outside our solar system, but so far only a few of Earth-like size and in the habitable zone — rocky planets with just the right temperature for liquid water. And none of those potential Earth-analogues have been observed directly, but through the interpretation of astronomical data, such […]

New Calvanni Review

Writer Tracy Joyce recently published a great independent review of The Calvanni. Here’s the whole review from Tracy’s blog: The Calvanni (Book 1, The Jakirian Cycle) by Chris McMahon – Monday 27th July 2015 “If you’re after a fast paced, complex adventure with detailed world building, politics and characters, then The Calvanni may be just what you’re looking […]

My SF Short Time Pump Just Published in Dimension6

I’m very excited to announce my SF short Time Pump has just been published in Keith Stevenson’s Dimension6 ezine! Click here to download a free, DRM-free epub or here to download a mobi file! The story was born from an intriguing SF idea and gradually took shape through various edits and critique sessions. I’m sure quite a few of […]

Tattoos in Fantasy

I’ve always been intrigued by tattoos. The awesome finality of having your skin inked has made me even more fascinated by traditions where tattoos carry a special meaning, such as the Polynesian cultures. In my fantasy world of Yos, tattoos carry very particular meanings. Men and women are tattooed with a totem on coming of age, which […]