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  • Part I: Scientific Case for Creation
    • Life Sciences
    • Astronomical and Physical Sciences
    • Earth Sciences
    • References and Notes
  • Part II: Fountains of the Great Deep
    • The Hydroplate Theory: An Overview
    • The Origin of Ocean Trenches
    • Liquefaction: The Origin of Strata and Layered Fossils
    • The Origin of the Grand Canyon
    • The Origin of Limestone
    • Frozen Mammoths
    • The Origin of Comets
    • The Origin of Asteroids and Meteoroids
  • Part III: Frequently Asked Questions
  • Technical Notes
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This is the online edition of In the Beginning: Compelling Evidence for Creation and the Flood
(7th Edition) by Dr. Walt Brown. The online version of the book is designed to be read online.
A PDF version or hardbound print version may be ordered.
Copyright © 1995–2008, Center for Scientific Creation. All rights reserved.

Click here to order the hardbound print edition of this online book.

[ The Fountains of the Great Deep > The Origin of Comets > Details Relating to the Hydroplate Theory ]

Details Relating to the Hydroplate Theory

1. circlegreen.jpg Image ThumbnailFormation Mechanism, circlegreen.jpg Image ThumbnailIce on Moon and Mercury. About 38% of a comet’s mass is frozen water. Therefore, to understand comet origins, one must ask, “Where is water found?” Earth, sometimes called “the water planet,” must head the list. (The volume of water on Earth is ten times greater than the volume of all land above sea level.) Other planets, moons, and even interstellar space78 have only traces of water, or possible water. Some traces, instead of producing comets, may have been delivered by comets or by water vapor that the fountains of the great deep launched into space.

How could so many comets have recently hit the Moon, and probably the planet Mercury, that ice remains today? Ice on the Moon, and certainly on hot Mercury, should disappear faster than comets deposit it today. However, if 50,000 comets were ejected recently from Earth and an “ocean” of water vapor was injected into the inner solar system, the problem disappears. On Mars, comet impacts created brief saltwater flows, which then carved “erosion” channels. [See Figure 160 on page 299.]

Prediction Icon

PREDICTION 24:   Soil in “erosion” channels on Mars will contain traces of earthlike soluble compounds, such as salt from Earth’s preflood subterranean chambers. Soil far from “erosion” channels will not. (This prediction was first published in April 2001. Salt was first discovered on Mars in March 2004.79)

To form comets in space, should we start with water as a solid, liquid, or gas?

Gas. In space, gases (such as water vapor) will expand into the vacuum if not gravitationally bound to some large body. Gases by themselves would not contract to form a comet. Besides, the Sun’s ultraviolet radiation breaks water vapor into hydrogen (H), oxygen (O), and hydroxyl (OH). Comets would not form from gases.

Solid.  Comets might form by the combining of smaller ice particles, including ice condensed as frost on microscopic dust grains that somehow formed. However, one icy dust grain could not capture another unless their speeds and directions were nearly identical and one of the particles had a rapidly expanding sphere of influence or a gaseous envelope. Because ice molecules are loosely bound to each other, collisions among ice particles would fragment, scatter, and vaporize them—not merge them.

Liquid.  Large rocks and muddy water were expelled by the fountains of the great deep. The water would partially evaporate, leave dirt behind, rapidly radiate its heat to cold outer space, and freeze.  (Outer space has an effective temperature of nearly absolute zero, -460°F.) The dirt crust encasing the ice would prevent complete evaporation. (Recall that the nucleus of Halley’s comet was black, and a comet’s tail contains dust particles.)

High-velocity water escaping from the subterranean chamber would erode dirt and rocks of various sizes. Water vapor would concentrate around the larger rocks escaping from Earth. These “clouds” and expanding spheres of influence would capture other nearby particles moving at similar velocities. Comets would quickly form.80

Other reasons exist for concluding that water in a gas or solid state cannot form comets.81 Water from the fountains of the great deep meets all requirements.

2. circlegreen.jpg Image ThumbnailCrystalline Dust.  Sediments eroded by high-velocity water escaping from the subterranean chamber would be crystalline, some of it magnesium-rich olivine.

3. circleyellow.jpg Image ThumbnailNear-Parabolic Comets.  Because the same event launched all comets from Earth, those we see falling from the farthest distance (near-parabolic comets) are falling back for the first time and with similar energy. Other comets, launched with slightly more velocity, will soon be detected.

Prediction Icon

PREDICTION 25:   Some large, near-parabolic comets, as they fall toward the center of the solar system for the first time, will have moons. Tidal effects may strip such moons from their comets as they pass the Sun. (A moon may have been found orbiting incoming comet Hale-Bopp.)82

If the comets represented by the red bar in Figure 147 on page 263 are falling in from distances of 50,000 AU, their orbital periods are about 4 million years. How then could they have been launched from anywhere in the solar system if the flood began only about 5,000 years ago?

The distance (50,000 AU) is in error.29 Comets more than about 12 AU from the Sun cannot be seen, so both the distances they have fallen and their orbital periods must be calculated from the small portions of their orbits that can be observed. Both calculations are extremely sensitive to the mass of the solar system. If this mass has been underestimated by as little as about 17 parts in 10,000 (about the mass of two Jupiters), the true distance would be 585 AU and the period only 5,000 years.83

Where might the missing mass be hiding? Probably not in the planetary region. The masses of the Sun, planets, and some moons are well known, because masses in space can be accurately measured if something orbits them and the orbit is closely observed.84 However, if extra mass is thinly spread within 40–600 AU from the Sun (beyond Pluto’s orbit), only objects outside 40 AU would be gravitationally affected. (Recall the hollow sphere result on page 260.) That mass, depending on its distribution, could considerably shorten the periods of near-parabolic comets, because they spend 99% of their time at least 40 AU from the Sun.

Comet Ikeya-Zhang travels about 100 AU from the Sun and last returned to the inner solar system in March 2002. It is the one periodically observed comet that ventures most deeply into this region, 40–600 AU from the Sun. Its previous return was in January 1661, 341.13 years earlier. However, its orbital period, based on the accepted mass of the solar system, should have been 366.95 years. The simplest explanation for this 25.82-year discrepancy is that some extra mass lies at least 40 AU from the Sun.

Comet Herschel-Rigollet, with the second longest period, travels 57 AU from the Sun. It last returned in August 1939, 4.2 years ahead of schedule based on the traditional mass of the solar system. It too seems to have encountered extra mass beyond 40 AU.85

What if two comet sightings, a century or more apart, were of comets which we assumed had such long periods that they should not be the same comet, but whose orbits were so similar they probably were the same comet? We might suspect that both sightings were of the same comet, and it encountered some extra mass beyond 40 AU that pulled it back much sooner than expected. Twelve “strange pairs” are known, suggesting that extra, unseen mass beyond Pluto’s orbit affects long-period comets but is not felt within the planetary region. These “strange pairs” are explained in Figure 149 and Table 15.

This “missing” mass could be composed of particles as small as gas molecules up to asteroid-size objects 100 miles wide. They would be difficult to detect with our best telescopes. However, with recent technical advances, dozens of large, asteroid-size objects are being discovered each year beyond Neptune’s orbit. They are called transneptunian objects. More than 1,000 have been discovered. Of course, no one knows their total number or mass.

Much is unknown about the distant region 40–600 AU from the Sun. For example, spacecraft launched from Earth many years ago are now entering that region’s inner fringes. These spacecraft are experiencing a slight, but additional, gravity-like acceleration toward the Sun. So far, efforts to explain this acceleration have failed. While its magnitude is too small to give near-parabolic comets 5,000-year periods, the effect is strengthening as the spacecraft begin to penetrate this region.86

Detecting the Hidden Mass That Comets Feel

cometorbit.jpg Image Thumbnail

Figure 149: An Orbit’s Fingerprint. A comet’s orbit closely approximates an ellipse. Each ellipse and its orientation in space are specified by five numbers, two of which are shown above. The first, i, is the angle of inclination—the angle the plane of the ellipse makes with Earth’s orbital plane. A second number, q, measures in astronomical units (AU) the distance from the Sun to the perihelion. The other three numbers (e, w, and W) need not be defined here but are explained in most books on orbital mechanics or astronautics.

In the last 920 years, almost 1,000 different comets have been observed accurately enough to calculate these five numbers. Surprisingly, 12 pairs of comets have very similar numbers. Could some “strange pairs” really be the same comet on two successive orbits? The estimated orbital period (the far right column in Table 15), the time to complete one orbit, for each member of the “strange pair” is so extremely long that they should not be the same comet. However, if the comets were all different, the chance of any two randomly-selected comets having such similar orbits is about one out of 100,000.74 The chance of getting at least 12 “strange pairs” from the vast number of possible pairings is about one out of 7,000. If the solar system’s mass has been slightly underestimated, orbital periods are much shorter, and some “strange pairs” are almost certainly the same comet. Other reasons are given in this chapter for believing that a slight amount of extra mass exists in the solar system. It should be about the mass of 70 Jupiters but spread thinly outside the planetary region—where long-period comets spend most of their time.

Each pair of rows in Table 15 describes two sightings of comets with remarkably similar orbits. The far left column tells when, to the nearest tenth of a year, the comet passed perihelion. The next five columns specify the comet’s orbit. The bottom two pairs may be the same comet seen in 1097, 1538, and 1947.

   

Table 15. Twelve “Strange Pairs”

Comet
(year)

i(°)

q(AU)

e

w(°)

W(°)

Period
(year)

1877.7

102.2274

1.575904

1.000000

143.2049

252.710

infinite

1994.8

101.7379

1.845402

0.999517

142.7849

249.943

236,165

1846.4

122.3771

1.375992

1.000000

78.7517

163.464

infinite

1973.4

121.5982

1.382019

0.998723

74.8598

164.817

35,603

1439.4

81.0000

0.120000

1.000000

140.0000

192.000

infinite

1840.3

79.8512

0.748504

1.000000

138.0440

188.271

infinite

1785.1

70.2380

1.143400

1.000000

205.632

267.214

infinite

1898.6

70.0300

0.626438

1.000000

205.613

260.528

infinite

1863.0

137.541

0.803238

1.000000

230.576

357.695

infinite

1978.7

138.264

0.431870

1.000000

240.450

358.419

infinite

1304.1

65.0000

0.840000

1.000000

25.0000

88.7000

infinite

1935.2

65.4251

0.811148

0.991304

18.3969

92.4472

901

1770.9

148.555

0.528240

1.000000

260.375

111.944

infinite

1980.0

148.6018

0.545164

0.987598

257.5849

103.2190

291

1580.9

64.6120

0.602370

1.000000

89.3670

24.9480

infinite

1890.5

63.3509

0.764087

1.000000

85.6608

15.8347

infinite

1337.5

143.6000

0.749000

1.000000

79.6100

97.6100

infinite

1968.6

143.2384

1.160434

1.000665

88.7151

106.7471

infinite

1742.1

112.9480

0.765770

1.000000

328.0430

189.2010

infinite

1907.2

110.0572

0.923861

1.000000

328.7561

190.4170

infinite

1097.7

41.0000

0.300000

1.000000

298.0000

352.0000

infinite

1538.0

42.4600

0.147700

1.000000

287.7000

356.2000

infinite

1097.7

41.0000

0.300000

1.000000

298.000

352.000

infinite

1947.4

39.3015

0.559799

0.997427

303.7545

353.909

3,209

Prediction Icon

PREDICTION 26:   The mass of about 70 Jupiters (6–7% of the solar system’s mass) is distributed 40–600 AU from the Sun.83

Prediction Icon

PREDICTION 27:   Because the solar system is slightly “heavier” than previously thought, some strange comet pairs listed in Table 15 are the same comet seen on successive orbits. More “strange pairs” will be found each decade. The comet sightings of 1785 and 1898 were probably of the same comet. [See Table 15.]  If so, it will return in about 2012.

4. circlegreen.jpg Image ThumbnailRandom Perihelion Directions. Comets were launched in almost all directions, because the generally north-south rupture encircled the rotating Earth.  

 

What Is Flutter?

Flutter occurs when a fluid (a liquid or gas) flows over a relatively thin, solid surface, such as the wing of an airplane or a flat plate, and initiates a vibration.  If (a) a fluid flows along a wing or plate and continuously “thumps” or pushes a deflected wing or plate back toward its neutral position, and (b) the “thumping” frequency approaches any natural frequency of the wing or plate, large, potentially damaging oscillations can occur.  This is called flutter.

Water beneath the crust allowed the crust to vibrate, and a hydroplate’s large area gave it great flexibility. Flowing water below the vibrating crust would have produced water hammers that “thumped” the crust at each of its natural frequencies. Undulations would have rippled throughout the crust, producing other water hammers, more undulations, and, of course, huge surface waves.

5. circlegreen.jpg Image ThumbnailOrbit Directions and Inclinations, circlegreen.jpg Image ThumbnailTwo Separate Populations. A ball tossed in any direction from a high-speed train will, to an observer on the ground, initially travel almost horizontally and in the train’s direction of travel. Likewise, low-velocity comets launched in any direction from Earth received most of their orbital velocity from Earth’s high, prograde velocity (18.5 miles per second) about the Sun. Earth, by definition, has zero angle of inclination. This is why almost all short-period comets, those launched with low velocity, are prograde and have low angles of inclination.

Comets launched with greater velocities than Earth’s orbital velocity traveled in all directions. Most are long-period comets with randomly inclined orbital planes. Prograde comets launched with the highest velocities escaped the solar system, because they had the added velocity of Earth’s motion. This is why so many of the remaining long-period comets are retrograde. [See Table 12 on page 262.] (Almost all other bodies orbiting the Sun are prograde: planets, asteroids, transneptunian objects, meteoroids, and short-period comets.)

While this explains how two populations formed, one must ask if comets could be launched from Earth with enough velocity to blast through the atmosphere, escape Earth’s gravity, and enter large, even retrograde, orbits. To learn the answer, one must first recognize the huge, mind-boggling energy in the subterranean water, which, in turn, requires understanding “tidal pumping,” surface energy, and “ionized, supercritical water”—explained on page 112.

To escape Earth’s gravity and enter only a circular orbit around the Sun requires a launch velocity of 7 miles per second. However, to produce near-parabolic, retrograde orbits requires a launch velocity of 33 miles per second! Earth’s atmosphere would offer comparatively little resistance at such speeds. In seconds, the jetting fountains would push the thin atmosphere aside, much as water from a firehose quickly penetrates a thin wall.

Water pressurized by only the weight of 10 miles of rock would launch comets from Earth’s surface at a mere 0.5 mile per second. However, calculations show that two powerful effects, (1) water hammers and (2) expanding gases from ionized, supercritical water, would do the job. The energy for this second effect comes from the Moon’s orbit and the Earth’s spin. Again, see page 112.

Water Hammers. During the early days of the subterranean chamber’s collapse, giant water hammers would create enormous pressures. Today, water hammers occur, often with a loud bang, when fluid flowing in a pipe is suddenly stopped (or slowed) by a closing (or narrowing) valve—a device, such as a faucet, that controls the flow. A water hammer is similar to the collision of a long train with an immovable object. The faster and more massive the train (or volume of water), the greater the compression (or pressure jump) throughout the pipe. A water hammer concentrates energy, just as a hammer striking a nail concentrates energy. A moving hammer can produce forces many times greater than a resting hammer.

The subterranean chamber acted as the pipe. What was the valve? Once the water began to escape upward through any crack, a chain reaction would begin. The escaping flow from the chamber would start collapsing pillars (explained in Figure 53 on page 114), beginning with those nearest the crack. Adjacent pillars, suddenly carrying additional loads, would also collapse like a house of cards. The crust would vibrate (flutter) in complex, wavelike patterns, like a flag held horizontally in a strong wind. Each narrowing of the chamber’s thickness would, in effect, partially close a valve, slow trillions of tons of water, and create a water hammer.

Forces familiar to us will not compress water much. However, the weight of 10 miles of rock resting on the trapped subterranean water would compress it by about 14%.87 Water, compressed by the vibrating crust, would act as trillions of springs. Those “springs” and the massive fluttering crust would have primary vibrational periods of about a minute. In other words, vibrations closed “valves,” which created water hammers, which created more vibrations, etc. Most people have heard water pipes banging or have seen pipes burst when only a few cubic feet of water were slowed. Imagine the excruciating pressures from rapidly slowing a “moving underground ocean.”88

cometjupitersorbit.jpg Image Thumbnail

Figure 150: Adoption into Jupiter’s Family of Comets. If comets were launched from anywhere in the inner solar system, many, such as comets A and B, would have aphelions within a few astronomical units (AU) of Jupiter’s orbit. Comets spend much of their time near aphelion, where they move very slowly. There they often receive gentle gravitational pulls (green arrows) of long duration, toward Jupiter’s orbit, 5.2 AU from the Sun.

Comet C’s aphelion is far beyond the outermost planet. (At this figure’s scale and based on any Oort cloud theory, Comet C would be 1/5 mile from where you are sitting.) Comet C steadily gains speed as it falls toward the inner solar system for thousands of years, crossing Jupiter’s orbit at tremendous speed. To slow C down enough to join Jupiter’s family would require such powerful forces that the comet would be torn apart, as shown in Figure 144 on page 261. (Comets are fragile.) Could many smaller gravitational encounters pull C into Jupiter’s family? Yes, but close encounters are rare, and about half of these encounters would speed the comet up and probably throw it out of the solar system. Once in Jupiter’s family, the average comet has a life expectancy of only about 12,000 years.27

Clearly, comets must have originated recently from the inner solar system (the home of the Sun, Mercury, Venus, Earth, and Mars) to join Jupiter’s family.  Such comets could not have come from beyond Jupiter’s orbit.

6. circlegreen.jpg Image ThumbnailJupiter’s Family.  A bullet fired straight up slows to almost zero velocity near the top of its trajectory—its farthest point from Earth. A comet also moves very slowly near its aphelion. If a comet’s aphelion is ever near Jupiter during any orbit, Jupiter’s large gravity will pull the nearly stationary comet steadily toward Jupiter. Because a comet spends a relatively long time near its farthest point, Jupiter’s gravity acts strongly for an equally long time, gently pulling the nearly stationary comet toward Jupiter’s orbit. Even a comet’s orbital plane is slowly but steadily aligned with Jupiter’s. Thus, aphelions of short-period comets tend to be pulled toward Jupiter’s nearly circular orbit, regardless of whether the aphelion is inside, outside, above, or below that circle. The closer a comet’s aphelion is to Jupiter’s orbit, the more likely it is that the comet will be rapidly drawn toward Jupiter’s orbit. 150

One can think of Jupiter’s mass as being spread out in a hoop that coincides with Jupiter’s orbit. (This “hoop analogy” simplifies the analysis of many long-term gravitational effects.) Comets feel more pull toward the nearest part of the hoop.

My statistical examination of all historical sightings of every orbit (almost 500) of every comet in Jupiter’s family confirms this effect. The hydroplate theory places the source of comets at Earth—well inside Jupiter’s orbit. Therefore, many comets reach their slowest speeds within a few astronomical units of Jupiter’s hoop. Thousands of years of gentle gravitational tugs by this hoop have gathered Jupiter’s family. Although Jupiter sometimes destroys comets or ejects them from the solar system, many comets in its family remain, because they were recently launched. A similar but weaker effect is forming Saturn’s family.  [See Figure 145.]

7. circlegreen.jpg Image ThumbnailComposition, circlegreen.jpg Image ThumbnailHeavy Hydrogen.  When the fountains of the great deep erupted, many rocks were crushed, eroded, sometimes reduced to clay, and mixed with carbonate-rich, salty, subterranean water—which contained sodium, because salt (NaCl) contains sodium. Many organic compounds, including methane and ethane, are found in comets,1 because this water contained pulverized vegetation from preflood forests (as well as bacteria and other traces of life) from within hundreds of miles of the globe-encircling rupture.

Comets are rich in heavy hydrogen, because the water in the subterranean chambers was isolated from other water in the solar system. Our oceans have half the concentration of heavy hydrogen that comets have. So, if the subterranean chambers held half the water in today’s oceans (as assumed on page 111), then almost all heavy hydrogen came from the subterranean chambers.

Prediction Icon

PREDICTION 28:   Excess heavy hydrogen will be found in salty water pockets five or more miles below the Earth’s surface.

Page 265 lists six surprising materials discovered on comet Tempel 1 by the Deep Impact mission in 2005. Only the hydroplate theory seems to explain the fluffy, porous texture of comets, and items a–e on page 265: crystalline silicates, clays, calcium carbonates, organic material, sodium, oxygen, and, of course, liquid water. Dust particles brought back to Earth by the Stardust Mission in 2006 were also crystalline and contained “organics” and “water.”

Item f (thick surface layers of very fine dirt with the consistency of talcum powder) is probably loess, a type of dirt composed of fine particles in the muddy ice that formed comets. Each time Tempel 1 came near the Sun in its 51/2-year orbital period, more of the ice on the comet’s surface sublimated, leaving behind the imbedded powdery dirt. Loess is described in more detail on pages 231 and 237.

Prediction Icon

PREDICTION 29:   Spacecraft landing on a comet’s nucleus will find that comets, and therefore bodies bombarded by comets, such as Mars, contain loess, salt, and traces of vegetation and bacteria.

8. circlegreen.jpg Image ThumbnailSmall Comets.  Muddy droplets launched with the slowest velocities could not move far from Earth, so their smaller spheres of influence produced small comets. Their orbits about the Sun tend to intersect Earth’s orbit more in early November than mid-January. Because small comets have been falling on Earth for only about 5,000 years, little of our oceans’ water came from them—or from any comets. Few small comets can reach Mars.

9. circlegreen.jpg Image ThumbnailRecent Meteor Streams, circlegreen.jpg Image ThumbnailCrater Ages.  Disintegrating comets produce meteor streams. If meteor streams were older than 10,000 years, the particles in them would be sorted by size. [See “Poynting-Robertson Effect” on page 37.] Because this is not seen, meteor streams and comets must be younger than 10,000 years. Only the hydroplate theory claims that comets began this recently.  Impact craters on Earth are also young.

10. circlegreen.jpg Image ThumbnailOther/Enough Water.  Did the subterranean chamber have enough water to supply all the comets the solar system ever had?

Consider these facts. The oceans contain 1.43 × 109 cubic kilometers of water. Also, Marsden and Williams’ Catalogue of Cometary Orbits (1996 edition) lists 124 periodic comets—comets observed on at least two different passages into the inner solar system. (Halley’s comet, for example, has been observed on 30 consecutive orbits dating back to 239 B.C.) In recorded history, 790 other comets have been observed with enough detail to calculate orbits. So, we know of 914 comets. (Small comets and fragments of a few comets that have been torn apart by passing too close to the Sun are numerous. However, their mass is only about 1% of the mass of all known comets combined, so they will not be considered here.)

Some comets escaped from the solar system—either directly at launch, or later when perturbed by a planet’s gravity. Other comets have never been counted, because they never came close enough to Earth in modern times to be seen, or because they collided with the Sun or a planet.  So, let’s presume that 50,000 comets were launched.

The average radius of a short-period comet nucleus is about 4.9 kilometers.89 If comet Tempel 1 (the most accurately measured comet to date) is representative of all comets, then a comet nucleus is about 38% water by mass and has a density of about 0.62 gram per cubic centimeter.4 If the subterranean chamber contained half of the water now in the oceans, then less than one-hundredth of the subterranean water was expelled as comets.

comet1.jpg Image Thumbnail

With such a small fraction of the available water required, comets could have easily come from Earth.

11. circlegreen.jpg Image ThumbnailOther/Near Side of Moon. Moonquakes, lava flows, and large multiringed basins are concentrated on the Moon’s near side, as one would expect if comets came from Earth.

12. circlegreen.jpg Image ThumbnailOther/Death and Disaster.  Comets, launched at the onset of the flood, are being steadily removed from the solar system. For centuries after the flood, comets would have been seen much more frequently than today. Some must have collided with Earth, just as Shoemaker-Levy 9 collided with Jupiter in 1994. People living soon after the flood would have seen many comets grow in size and brightness in the night sky over several weeks. Some of those frightening sights would have been followed by impacts on Earth, daytime skies darkened with water vapor dumped by comets, and dramatic stories of localized destruction. Somehow, memories of these experiences spread worldwide. Perhaps the founders of different cultures learned from their ancestors that comets were first observed right after the flood, so comets became associated with death and disaster worldwide—hence the word “disaster”: dis (evil) + aster (star).

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