Terraforming, counterpoint…

“The article’s basic mistake is in thinking Mars is a closed system. But no planet is a closed system.”


Whither terraforming?

Humans love the idea of a rebel. But only the idea. Take action too far outside the box of current experience and you begin to hear the Greek Chorus of naysayers heckling you, gleefully glomming onto anything that might pull you back within accepted norms.

Such has been the case recently regarding a paper in the journal Nature Astronomy, which reported that there does not appear to be enough CO2 on Mars to allow for terraforming. I can’t count the number of articles that have floated through my various feeds starting with the mocking phrase “Sorry Elon…” Google it yourself and see what I mean.

Continue reading “Whither terraforming?”

Dust storm

The dust storm on Mars is a global weather event.

“The last dust storm on Mars to go global occurred in 2007, five years before the Curiosity rover landed at its Gale Crater site, according to officials with NASA’s Jet Propulsion Laboratory (JPL) in Pasadena, California.”

Viking imagery redux

Some really nice reprocessing of old Viking imagery.

“I am fond of the Viking missions. Their orbits took them far above Mars (as far as 56,000 kilometers from the surface), giving them the ability to take sweeping images of entire hemispheres. Modern missions mostly don’t stray so far from Mars’ surface, and can’t fully capture the same sweeping vistas captured by the Viking Orbiters. ”