Oct 30, 2012

Recent analyses suggest that Saturn’s moon Phoebe resembles a planet.

Saturn’s moon Phoebe is comparatively small, roughly 220 kilometers in diameter. Its surface gravity is 0.224m/s^2, compared to the 9m/s^2 on Earth. Phoebe is also as black as night, making it one of the darkest objects in the Solar System. The temperature on Phoebe is estimated to be around 200 below zero Celsius.

As the then named Cassini-Huygens spacecraft entered Saturn space, it passed 2000 kilometers from the moon’s surface on June 11, 2004 making it the first and only time that Cassini came close to Phoebe. Since its orbit is almost 13 million kilometers from Saturn, Cassini will be unable to boost out to that distance. The farthest it was scheduled to travel is to the orbit of Iapetus, about 3 million kilometers out.

Phoebe’s surface is pocked with craters, similar to some heavily cratered asteroids. In previous Pictures of the Day, the question of why asteroids with large craters were not destroyed by impacts from putative chunks of fast-moving rock was asked. The same question can be asked about Phoebe: why was it not blown apart by whatever “impact” events excavated its craters. Phoebe’s dark surface is reminiscent of Halley’s comet, another scorched looking black body, as well as comet Wild 2. The heavily cratered terrain on all three objects was contrary to the expectations of NASA observers.

According to a recent press release, NASA scientists describe Phoebe as “very strange” and probably a captured moon, rather than having formed along with its parent planet in a so-called “primordial cloud”. Said Peter Thomas of Cornell University: “From the shape seen in Cassini images and modeling the likely cratering history, we were able to see that Phoebe started with a nearly spherical shape, rather than being an irregular shape later smoothed into a sphere by impacts.”

Images from the Cassini spacecraft depict a moon that has features like those found on other moons described in recent articles. Some are similar to features on the Martian moon Phobos. The crater rims have alternating striations, with steep gullies running down one side and hard edges that appear as if they were cut into the rock and ice. What appear to be rounded boulders lie inside some of the craters as well as in the faces of the crater walls.

A closer examination casts doubt on the notion that the largest crater could have been created by an object smashing into Phoebe. The alternative—formation by plasma discharge—is well supported. The most obvious evidence is the spiral-shaped crater rim and the steeply carved cliffs. These are not features expected under an impact hypothesis.

The visual evidence is consistent with a huge electric arc cutting a long chain of craters into one hemisphere, ending in a winding curve and narrow canyon walls. The shallow craters, the overlapping rims and the lack of impact debris are also important considerations in the theory of electrical effects, not only on Phoebe but the rest of Saturn’s moons.

As Electric Universe advocate Wal Thornhill wrote: “The electric universe model explains the craters as Phoebe’s birthmarks. It is a model supported by examination of spark-machined surfaces. Just as stars are observed to do, gas giant planets may also expel a jet of matter during periods of electrical instability…Electrical discharges between the parent and departing child carve out the circular craters. Because they are not formed by a sudden mechanical impact, the craters are neat and do not cause disruption to adjacent craters or fill them with debris as we see on Phoebe.”

By thinking only in terms of meteor impacts, landslides and other familiar geological forces, NASA is ignoring the one possibility that makes all the disparate features we see cohesive: an electrically dynamic Solar System in its formative phases, when cosmic thunderbolts carved the surfaces of planets and moons.

Stephen Smith

Now Available – Seeking the Third Story DVD

2 Lectures by David Talbott

According to author David Talbott, all of human history can be seen as just two stories.

First, came the story of ancient mythology, when towering gods were said to have ruled the world. Then came the story of science, emerging from a growing distrust of the myths and a new emphasis on direct observation and reason.

But a third story is possible, according to Talbott, one that sees the underlying provocation of the myths in extraordinary electrical events occurring close to the Earth. To be believed, a third story must be more coherent and more meaningful than either archaic religious mythologies or the modern mythologies of popular science.

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