The Solar System Archives

May 2, 2022April 30, 2022

Medical Challenges of Space Travel

Space exploration presents many challenges, but the medical challenges of space travel may dwarf the technical challenges. Spending lengthy sojourns on the International Space Station (ISS) has already shown some of the problems that future space travelers will face.

One problem astronauts face is space anemia caused by a lack of red blood cells. On Earth, the human body makes two million red blood cells every second to replace the ones that are lost. In space, the astronauts’ bodies lose three million red blood cells each second, and they must replace those cells. Anemia results from a shortage of the red blood cells needed to carry oxygen to all parts of the body. It causes fatigue, dizziness, and weakness.

Space anemia was well-known, but scientists thought the body would adapt and correct the problem after an extended time in space. Unfortunately, a recent study of 13 astronauts has shown that it is not corrected after six months on the ISS. Furthermore, it took three to four months to restore a near-normal red blood count after the astronauts returned to Earth. There was still a thirty percent greater loss of red blood cells even after that.

A new study on cosmonauts in the ISS shows another area of concern. Scientists studied the brains of twelve cosmonauts just before and after their space flights and again seven months after they returned to Earth. They used computer reconstruction of data from magnetic resonance imaging (MRI) to study the structure (gray matter) and connectivity (white matter) in the brain. The research showed shape changes in the brain, especially in the corpus callosum, a large bundle of nerve fibers that connect the brain’s two hemispheres. In addition, researchers detected “changes in the neural connections between several motor areas of the brain.” But, perhaps, the most concerning is that in the brain scans taken seven months after the cosmonauts returned to Earth, the changes to the brain were still present.

A journey to Mars and back will take more than twenty months. During that space flight, astronauts will need protection from radiation, food for proper nourishment, and to replenish red blood cells while they experience “rewiring” of their brains. The many medical challenges of space travel remind us how blessed we are that God has given us the perfect planet to call home.

References: EurekAlert.org and Frontiers In Neural Circuits

April 23, 2022April 20, 2022

Methane and Life on Other Planets

Astronomers are constantly looking for signs of life on other planets or moons. One of the potential clues they seek is methane, a hydrocarbon gas consisting of one carbon atom and four hydrogen atoms. It is classified as a “greenhouse gas” because it can trap heat on Earth’s surface resulting in “global warming.” It’s a more effective greenhouse gas than the much-discussed carbon dioxide. Methane is produced by organic decomposition and in the digestion process of ruminants such as cows and other animals. Scientists seek to learn more about a possible connection between methane and life on other planets.

Since living things create methane, scientists regard it as a potential “biosignature” indicating life on an astronomical body. For that reason, astronomers are searching for methane on planetary bodies. News reports have sometimes gone overboard with stories about methane and life on other planets. However, not all methane is created biologically. Volcanic eruptions can release methane gas, and even asteroid impacts can add methane to a planet’s atmosphere. So how can scientists tell if the methane is a sign of life on a body far out in space?

For one thing, gasses from a volcano would contain not only methane but also carbon monoxide. The biological creation of methane would consume carbon monoxide. When examining the gasses in a planet’s atmosphere, a large amount of BOTH methane and carbon monoxide would probably indicate that the methane was not a biosignature. Methane alone would be a more likely indicator of the possibility of life.

However, an abundance of methane without carbon monoxide would not prove the existence of life on a planet. As we have said before, many factors are required to make a planet suitable for any kind of life, especially advanced life. NASA’s James Webb telescope, launched in December, is still working to reach full functionality. When it does, a significant part of its purpose will be to look for methane in the atmosphere of exoplanets.

When results indicate that the Webb telescope has detected methane on a planet, news reporters may sensationalize the facts to suggest more than they deserve. Reputable scientists are more cautious in their predictions about methane and life on other planets. Nevertheless, we are excited about the possibility of learning more about the universe with the new Webb space telescope.

As we have said before, the Bible doesn’t tell us if there is life on any other object in space. If there is, we believe that God put it there. We are not afraid of scientific investigation because the more we learn about the creation, the more we stand in awe of the Creator.

April 22, 2022April 20, 2022

What Syzygy Means

Syzygy is an interesting word used in astronomy. It’s a great word for Scrabble, but my kids quit playing with me when I used it once. You might wonder what syzygy means. Let me explain.

This spring brings an unusual view of the solar system. If you get up before the Sun now through May, look to the east, and you will see four planets that shine very brightly. The planets from left to right are Jupiter, Venus, Mars, and Saturn. All of them will be bright enough to see with the naked eye. With binoculars or a small telescope, you will also see some of the moons of Jupiter and Saturn. Astronomers call an alignment of planets like this a syzygy.

We can see these planets in this rare alignment because they orbit the Sun in the same plane, called the ecliptic plane. This is not just some happy accident but is a critical factor in the survival of life on Earth. Objects coming into the solar system along the ecliptic will not collide with Earth because the planets that lie further out in the solar system will intercept them long before they can reach our planet.

We have actually seen Jupiter intercept a comet coming toward the Sun along the ecliptic. The fireball the impact produced was larger than Earth’s diameter. This solar system design is so complete that the gravitational fields of the outer planets overlap so that nothing from outside the solar system can get to the Earth. The only “planet” not in the ecliptic is Pluto, which is inclined to the ecliptic. For that reason, scientists say that Pluto is not a planet but a captured object.

The design of the solar system is far more complex than most of us understand. The more we travel in space, the more we see the effect of not having a designed protection system. As science deals with space travel, the wisdom and planning of God become apparent. Take a few minutes on a clear morning before the Sun comes up to go out and look and wonder at how “The heavens declare the glory of God” (Psalms 19:1). Now you know what syzygy means, and you can use it the next time you play Scrabble.

References: apod.nasa.gov for April 20, 2022, and earthsky.org.

April 20, 2022April 20, 2022

Return of the Lyrid Meteor Shower

In late April each year, we see the return of the Lyrid meteor shower. It may not be the most spectacular meteor shower of the year, but I find it easier to observe. That’s because, in our part of the world, it comes at a time when the weather is mild enough to sit outside and watch (unlike the Geminids in December) and before mosquitoes become a problem (as with the August Perseids shown in the picture).

This year, the return of the Lyrid meteor shower is from April 14-30, with the peak on the night of April 22. Typically, the Lyrids display five to 20 meteors per hour at the peak, although, in some years, the number has been higher. Written records of the Lyrid meteor shower go back 2700 years when Chinese astronomers made note of it in 687 B.C. A Korean account from A.D.1136 says that “many stars flew from the northeast.”

If you see the Lyrid meteor shower, you will not be looking at falling stars, although you may get that impression. Instead, you will see tiny fragments of Comet Thatcher (officially C/1861 G1), discovered in 1861 by amateur astronomer A.E. Thatcher. That year was the last time the comet flew by our planet at 31.1 million miles (50.1 million km). Its next return to our vicinity will be sometime around the year 2280. Meanwhile, Earth’s orbit around the Sun causes us to pass through debris the comet left behind. So we see those fragments as they burn up from the effect of atmospheric friction.

We live in an orderly universe on a planet positioned to allow observation and study of the cosmos. Our planet is designed with an atmosphere and magnetic field to protect us from comet debris, meteorites, cosmic rays, and solar wind. If you have the opportunity to observe the return of the Lyrid meteor shower, use it as a time to thank the Creator for allowing us to live in the just-right time on a just-right planet in a just-right location in the universe.

March 29, 2022March 28, 2022

Magnetosphere Display Protecting Life on Earth

As the Sun approaches an eleven-year maximum of its magnetic cycle, solar flares and eruptions occur with increasing frequency and violence. That means the Sun is blasting out a massive cloud of fast-moving electrons, protons, and ions in all directions. To see the magnetosphere display this creates on Earth, go to apod.nasa.gov for March 22, 2022. There you will see what NASA calls “A Whale of an Aurora over Swedish Forest.”

The cloud of particles from the Sun would cause huge damage to life if it reached us unobstructed by Earth’s magnetic field and atmosphere. Earth’s magnetosphere deflects the charged particles coming toward us from the Sun. As Earth’s magnetic field moves the particles toward the poles, they hit molecules in our atmosphere, causing them to glow in a magnetosphere display that we call an auroral corona.

Most people in the higher latitudes of North America can go outside late at night and away from the city lights and see the aurora borealis or “northern lights.” Here in Michigan, the glow in the north was yellow and orange. In a northern city like Östersund, Sweden, the aurora was blue-green and high in the sky. The APOD picture may look like a whale to some, but I think it looks like an eagle. The color of the aurora depends on what elements are being hit by the solar emissions. The green is from oxygen, but orange and red come from hydrogen higher up in the atmosphere.

Earth’s magnetic field is essential as a shield to prevent radiation damage to all life. Scientists don’t fully understand what causes the magnetic field, but it is just right to allow life on this planet. Life would have to be underground for protection on planets with no magnetic field. When God created Earth, He gave it a magnetic field of just the right strength and geographic distribution to allow life to exist. This is another great testimony to the wisdom built into the creation process that formed our planet.

March 21, 2022March 20, 2022

The Size of the Cosmos

We have often mentioned NASA’s Astronomy Picture of the Day (APOD). Their March 16, 2022, post showed the above diagram of the OBSERVABLE universe. The emphasis on the word observable is because astronomers have realized that what we can see is only part of the creation. Our technology allows us to appreciate the size of the cosmos. When you look into space with today’s most powerful telescopes, you can see far beyond our Milky Way galaxy.

We can observe that there are billions of galaxies with different shapes, and each contains billions of stars. However, visible light is limited. Just as the light from a lightbulb appears less bright as you move further away from it, visible radiation from distant objects becomes dimmer the farther away they are. As a result, science has developed new instruments to see radiation other than visible light, such as Xrays and microwaves. In addition, we now have devices that can detect neutrinos and gravitational waves from objects still farther away.

Everything we can detect operates by the same physical laws that govern our own tiny part of space. So any suggestion that there could be universes with different physical laws and physical constants is pure speculation.

The more we learn about the size of the cosmos as we use improved instruments, the more obvious it becomes that the creation is too vast for us to comprehend. The cosmos speaks of design, power, and creative expression beyond what our technology can perceive.

The NASA website reveals higher dimensions, and the size of the cosmos speaks to us of a God beyond our comprehension. In the words of Psalms 19:1, “The heavens declare the glory of God and the skies show his handiwork.”

On Wikimedia, you can see the above logarithmic illustration with annotations identifying the objects. In addition, you can find some of our previous APOD references HERE, HERE, HERE, and HERE.

March 15, 2022March 20, 2022

Creation of Heaven and Earth

As scientists find more and more evidence, the picture of creation becomes clearer. That is not to say that science has the entire creation of heaven and Earth figured out. However, studies have allowed us to see what was done, even if we don’t understand and will never in this life understand how it was done.

Science has identified four fundamental forces involved in creation. They are the electromagnetic force, the weak nuclear force, the strong nuclear force, and the gravitational force. These forces work on particles that science has observed or particles for which science has found evidence but has not observed. For example, photons are responsible for electromagnetism. Particles called gluons are responsible for nuclear forces, with eight gluons causing the strong nuclear force and three gluons causing the weak nuclear force.

The recently discovered particle called the Higgs boson gives mass to the force particles and controls their behavior. Physicists are studying how that happens and looking for a particle that causes the gravitational force. As research continues, science strongly suggests that those forces began as a single force. Our standard rules of physics cannot deal with this concept, and the time during which the forces originated is called the “Planck era.” The creation of heaven and Earth is not a simple process, and science is trying to understand it.

The so-called “standard model” of particle physics has so much supporting evidence that most physicists accept it as a starting point to understanding the process of creation. Some scientists have developed an approach called “string theory” to understand what took place in the Planck era. The mathematics of string theory forces us to believe that creation has come about from dimensions higher than our own. A prominent string theory called “bulk” has creation originating in an 11-dimensional arena. We live in a three-dimensional world with time as a fourth-dimensional quantity. The idea of 11 dimensions is beyond our comprehension. We can describe it mathematically, but we cannot visualize it.

The Bible summarizes the creation of heaven and Earth by simply indicating that an Intelligence in a far higher dimension than our own created time, space, and the physical world in which we exist. “In the beginning, God created the heaven and the earth” accurately describes what our research and observations tell us.

In summary, there was a beginning often described as the “big bang.” At that beginning, there was Planck time when our laws of physics did not apply. The creation event was caused by “Elohim,” an intelligence outside of space/time who operates in dimensions outside of our physical universe. The creation included the matter/energy from which everything is made and the three-dimensional space, “shamayim,” translated “heaven” in your Bible. It also included the planet we call home, “erets” in Hebrew, created from that matter/energy. The more we know of the creation, the more we know of the Creator.

Reference: “Imaging Our Infant Universe” by Sten Odenwald in Astronomy magazine, April 2022, pages 16-23 or on www.astronomy.com

You can see a chart of the text of Genesis 1:1 to 2:3 HERE. You will find a chart of Hebrew words from Genesis and their definitions HERE.

March 10, 2022March 8, 2022

Our Sun Is Just Right

Scientific discoveries continue to show that our Sun is just right. It has the just-right size and just-right temperature, and it’s the just-right distance from our planet to make advanced life possible.

Add to those things the fact that the type of radiation our Sun emits is just what we need to survive. We have often talked about Earth’s magnetic field and how it protects us from some of the Sun’s harmful radiation. That fact shows the fine-tuning of our planet for life, and we don’t know of any other star so precisely-designed for life as our Sun.

The Sun has magnetic fields also, stretching far out into its atmosphere. However, those fields are not as stable as Earth’s magnetic field. The magnetic lines of force move like seaweed swaying in underwater gardens, but much slower. They carry energy from the Sun’s surface up into the corona, a bubble of plasma surrounding the Sun.

Some scientists think that the energy conveyed by the moving magnetic force fields might explain why the corona is hotter than the Sun’s surface. The surface is almost 10,000 degrees F (5,500 degrees C), but flares in the corona can reach millions of degrees. Although scientists have studied the Sun for years, they still don’t understand many things about it.

One thing we can know for sure is the fact that our Sun is just right can either be a fantastic coincidence or the wisdom of God’s design. We believe this is another evidence of design.

February 21, 2022February 20, 2022

Evidence of Life on Mars

The media has sensationalized the finding of organic molecules from Mars. For many people, hearing that something is “organic” means it is related to life. For example, in 1996, scientists reported on their study of a meteorite identified as ALH84001 found twelve years before in Antarctica. Characteristics of the meteorite indicated that it had come from Mars, and analysis showed that it contained organic compounds. Media reports immediately claimed that this was evidence of life on Mars at some time in the past.

Research on ALH84001 reported in January of 2022 shows the organic molecules probably came from the interaction of water and minerals and is not related to living organisms. Two chemical reactions known as serpentinization and carbonation can produce organic molecules when water and minerals react underground. Those reactions occur on Earth, and the researchers concluded that was most likely what formed the organic materials in ALH84001. Earlier researchers had made similar findings on a Martian meteorite named Tissint, which landed in Morocco in 2011.

Neither of these meteorites gives evidence of life on Mars. Organic molecules can form by abiotic (non-life) chemical reactions when water is present, along with the minerals that make up organic materials. Evidence shows that Mars is a place where abiotic chemistry has been very active, creating large amounts of organic compounds but no evidence of any form of life.

God is an incredible chemist. One reason many chemists are active believers in God is that they see the wisdom and creative design built into chemistry, making life possible. There is strong evidence that the laws of chemistry were fine-tuned for life, especially human life.

We may eventually find living things elsewhere in the solar system or other systems. However, finding organic compounds does not give evidence of life on Mars or anywhere else.

References: “Organic molecules in an ancient Mars meteorite formed via geology, not alien life” in Science News (February 12, 2022, page 10) and Science VOL. 375, NO. 6577, January 13, 2022

January 28, 2022January 26, 2022

The Carbon Miracle and Life

Life on Earth would not be possible without carbon. All known living things are carbon-based, and there is a good reason for that. Carbon is the fourth most abundant element in the universe, and it’s also plentiful in Earth’s crust. That means there is plenty of it to form life. It’s the second most abundant element in the human body, after oxygen. However, that abundance is a carbon miracle because it demonstrates precise fine-tuning of the cosmic creation event known as the big bang.

First, let’s look at the qualities of carbon that make it so useful for life. Carbon can form more compounds than any other element. That’s because it is the smallest element that has four valence electrons. As we said in our discussion of oxygen, all atoms look for eight electrons to complete their valence shell. Carbon can form covalent bonds by sharing electrons with up to four other atoms to complete that shell.

Furthermore, the energy required to make or break those bonds is at the exact level to build large and complex molecules with both the stability and reactivity necessary for life. Carbon atoms are also lighter because they are smaller than the other atoms with four valence electrons. Their small and lightweight qualities allow enzymes to manipulate the organic molecules formed around carbon atoms. Metabolism requires the manipulation of organic molecules.

Carbon can combine with other carbon atoms to form macromolecules that life requires. Without carbon, there would be no proteins or DNA. Because of its unique qualities, carbon can form hydrocarbons such as sugar, lipids, and alcohols for storing energy in living organisms. Without carbon, there could be no life functions such as breathing, digestion, excretion, or reproduction. In other words, there could be no life. Some scientists have suggested the possibility of silicon-based life somewhere in the universe. However, there are numerous problems with the “rock people” concept, and there is no evidence to support it.

But what is the carbon miracle? According to Fermilab, it is “miraculous” that carbon exists. The cosmic creation event known as the big bang formed only the elements hydrogen, helium, and lithium. Clouds of hydrogen and helium gas came together because of gravity to form stars that collapsed and became hot enough to fuse some pairs of helium nuclei with two protons each into beryllium with four protons. The next step would be to fuse one more helium nucleus to form carbon with its six protons.

That is where there seemed to be a roadblock. The beryllium isotope is so unstable that it decays back into two helium atoms in a ten-thousandth of a trillionth of a second. However, scientists found that the carbon nucleus has an “internally excited short-lived state” that allows the miraculous microsecond bonding to take place. According to scientists, as reported by Fermilab, “Amazingly, if the strength of the nuclear force between protons and neutrons after the Big Bang were different by less than 1%, carbon would be extremely rare, and the universe would be devoid of life.”

That is the carbon miracle, and we don’t think it was an accident that the creation event was fine-tuned. English astronomer Sir Fred Hoyle first suggested the unique quality of the carbon nucleus that made it possible for carbon to come into existence. Hoyle was an agnostic, but seeing the fine-tuning of the creation, he wrote, “A common sense interpretation of the facts suggests that a superintellect has monkeyed with physics, as well as with chemistry and biology, and that there are no blind forces worth speaking about in nature. The numbers one calculates from the facts seem to me so overwhelming as to put this conclusion almost beyond question.” (Fred Hoyle, “The Universe: Past and Present Reflections”) We believe that “superintellect” is God.