The Solar System Archive
Sciency Words: The Anomalous Precession of the Perihelion of Mercury
If you’re anything like me, you’ve probably looked at planetary orbits and asked yourself: why does
Sciency Words: Lobate Scarps (Is Mercury Shrinking?)
Since the Solar System formed 4.5 billion years ago, Mercury has decreased in size by about
Sciency Words: Hill Sphere (Why Doesn’t Mercury Have a Moon?)
Mercury does not and probably cannot have a moon. Why? Because the Sun is a bully.
Colonizing Mercury: How To Get There
In several recent posts, I’ve said that nobody wants to live on Mercury. It’s too hot.
Many volatiles are so eager to become gases that they’ll sublimate, meaning they’ll transform from solid
SOHO is positioned between the Sun and Earth, and its mission is to monitor and study
Sciency Words: Moreton Waves – Sun Surfing
Okay, so you can’t really go surfing on the Sun, but if you could, the Sun’s
Starting Point: The Cruithne Report
It was a slow news week and somehow a report about poor standards of safety on
Sciency Words: The Carrington Event
Here’s the good news: the world didn’t end.
Sciency Words: Eccentricity
According to Kepler’s laws, no planet has a perfectly circular orbit. The “established norm” is
The Solar System as a Patchwork Quilt
It's surprising how small (or large) some of the solar system's more interesting moons are compared
Artifexian: Formation of the Solar System
Before we start baking our apple pie, let's take a look at grandma's old recipe book
Better than Starships: Satellites
Steven Lyle Jordan on why abandoning Earth's resources is a bad idea.
Colonizing Space 1970’s Style
Just look at all the cool space stuff NASA will have built by the time you're
Don’t Eat Yellow Moon Dust
A lack of oxygen, micro-gravity, explosive decompression, and extreme levels of radiation aren’t the only dangers
Featured Story: Learning Curve
The screechy monkey living in the back of my head chose that moment to take charge
Inspiration Gallery #1213
This month's Inspiration Gallery showcases the work of digital artist Adam Burn, and is inspired by
Gravity Balloons: Colonizing the Asteroid Belt
Maybe a civilization in the center of Phobos will be more pivotal than one on the
Story Idea: The Trespassers
When a new moon appears in orbit around Jupiter, mankind wakes up to an uncomfortable truth.
Featured Story: The Planet Brokers
Humanity agrees to sell the planet Venus to vast and timeless alien beings in this quirky