Sterile Galaxies, and Super-Massive Black Holes

Over the years since astronomers gained the technology to study distant galaxies closely, they have been building a growing list of characteristics that make our home galaxy, the Milky Way Galaxy (MWG), uniquely suitable as a site for advanced life. The latest addition to that list is spectacular: a supermassive black hole like none other.

Research tells us that a supermassive black hole (SMBH)—an object more than a million times the mass of the Sun—resides at the core of every medium, large, and giant galaxy. The galactic core’s quantity and density of stars and gas make these SMBHs inevitable.

The “event horizon” is a theoretical boundary around a black hole from which nothing, not even light, can escape. From just outside the event horizon, a typical SMBH emits radiation so intense and deadly as to render advanced life anywhere within the surrounding galaxy impossible. For supergiant galaxies, this radiation can be so powerful as to make advanced life impossible not only within the galaxy itself, but also in thousands of neighboring galaxies. Providentially for us, our galaxy is sufficiently distant from super­giant galaxies that their SMBHs pose no risk to us.

Given that the radiation from the SMBHs in other galaxies is deadly, why isn’t the radiation from ours?

Our SMBH’s Unusually Low Mass

A principal reason is that our supermassive black hole comes in at a far lower mass—only 4.02 ± 0.16 million times the solar mass1—than the SMBHs in other galaxies of similar size. This comparatively low SMBH mass, in turn, means that far less radiation of the deadly kind emanates from it.

Our SMBH’s low mass differs dramatically from what astronomers would anticipate, based on what they observe in all other galaxies.

Dark Matters, by Hugh Ross

Hugh Ross (unlike myself) supports the assumption of billions and billions of Darwin Years. However (unlike atheists) he is willing to follow the evidence wherever it leads… even when it leads to some form of meaning in the universe, or points to some sort of Supreme Intellect, Creator God, or Living Law shaping the universe.


Having the vast majority of planets outside of our galaxy stricken off the “open for life” list effectively eliminates life outside of this world.

Most religions, including Buddhism and Hinduism, have no great problem with this.

I see it as hard proof that the universe needs more gardeners, more obedient (adopted) Sons of God, to tame the interstellar wilderness, harness and restructure those supermassive black holes, and bring those dead worlds to life.

(I have no biblical warrant for this, by the way. Just a suspicion… and a certain understanding of the character of God.)

As a certain fact, though: the Copernican Principle is as dead as a dodo.

(A repost from the sci-fi blog.)

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