The Solar System Archive
Sciency Words: Belts and Zones
If you’ve ever looked at Jupiter, you’ve noticed that it has stripes. The stripes are so
Sciency Words: Rubble Pile
“Rubble pile” is not a formal part of any asteroid classification system, but it appears so
Sciency Words: Siliceous Asteroids
It’s a tale of two asteroids, one in the inner asteroid belt, the other in the
Sciency Words: Carbonaceous Asteroids
As the name implies, carbonaceous asteroids have lots of carbon and carbon-containing compounds.
Sciency Words: Opposition and Conjunction
Mars, like pretty much everything in space, is a moving target. Sometimes, it’s fairly close to
Could we colonize Venus? Sure. It’s definitely possible, and there may be good scientific reasons for
Venus loves keeping secrets. One of the biggest, most frustrating secrets has to do with the
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.