Tag: planets

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Astronomy Picture of the Day: APOD

Astronomy Picture of the Day
One of my favorite free websites is NASA’s Astronomy Picture of the Day (APOD). Every morning I begin my day by looking at what new image is on that site. Since there is an explanation of the image, this is also an opportunity to learn about objects in space and how those objects might fit into our understanding of the universe. The picture from April 17, 2018, is called “M57: The Ring Nebula.”

M57 is known as a “planetary nebula,” but the glowing material does not come from planets. Scientists believe it is the outer layers expelled by a star very similar to our Sun. It went through a process that we see happening in space where stars explode and seed space with heavy elements produced by the explosion. What is left of the star is the tiny dot at the center of the nebula. That dot is a very dense remnant of the core of the star that is spinning very rapidly obeying the laws of physics as it does so.

This is not creation. The material this explosion produced is not coming from nothing. It is the product of previous materials that were produced at the moment of creation by a process that we cannot duplicate or even adequately describe in scientific terms. The process of fusing hydrogen to heavier elements, seeding space with all of the material produced, and reforming the material to make terrestrial life possible is outside of our capacity to observe. To some extent, it can be described with mathematical equations. The astronomy picture of the day on the NASA site continues to detail the process that produced our world and all we see around us.

God is not limited by time or space or our capacity to understand. In Job 38:4 God challenges Job to deal with “the foundations of the Earth.” In Proverbs 8:22-27 wisdom speaks about the planning and design God made before the Earth came to be (verse 23). Wisdom speaks about the preparation of the heavens (verse 27).

When we look at the astronomy picture of the day on the NASA website, we are not seeing the present. We are looking into the past. M57 went through the process of seeding its neighborhood with heavy elements 2,000 years ago, and we witness that event today. Virtually everything on the NASA website, and in astronomy, is in the past. Seeing these things allows us to wonder at the power, wisdom, and majesty of God. It reinforces David’s statement in Psalms 8:3-4: “When I consider your heavens, the work of your fingers, the moon and stars which you have ordained, what is man that you are mindful of him and the son of man that you visit him?”
–John N. Clayton © 2018

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Earth’s Magnetic Field

Earth's Magnetic Field
You might say that planet Earth is a very large magnet. We have mentioned before Earth’s magnetic field that is generated by the iron core. The movement of that molten iron generates a magnetic field surrounding our planet. We can see the effect of that field every time we use a compass to find directions.

What you may not realize is that there is also a magnetic field generated by the ocean. Salt water is a good conductor of electricity. Moving electric currents generate magnetic fields. Hans Christian Ørsted discovered that by accident in 1820 when he noticed that placing a compass near a wire carrying an electric current caused deflection of the compass needle.

Salt dissolved in the oceans’ water creates ions, which are electrically charged particles. The movement of ocean tides causes those charged particles to move. Electric current is electrically charged particles in motion. Since electric current generates a magnetic field, the ocean tides generate magnetic fields. Because the movement of ocean currents and tides is complex, the magnetic fields generated by the oceans are more complex than the big magnetic field of the Earth. They are also 20,000 times weaker than Earth’s main magnetic field making them harder to measure.

Today’s satellite technology allows us to map the oceans’ magnetic field. The European Space Agency used three satellites to create a network called “Swarm.” They used the data from those satellites to create a 3-D digital map of this little-known magnetic field. The research shows how the field changes over time. Although the oceans create a relatively small part of Earth’s magnetic field, they play an important role. Mapping this field also give scientists a better picture of how the oceans flow all the way down to the seabeds. That information gives us a better understanding of Earth’s climate.

Combined with the magnetic field produced by the molten core and rocks in Earth’s crust, we are protected by a “cocoon” surrounding our planet. You might say, “Protected from what?” Our Sun frequently erupts in solar storms releasing charged particles that escape into space. Many of those particles travel to the Earth. We call it “solar wind.” Without a protective magnetic shield, those particles would reach Earth’s surface disrupting power grids and aircraft navigation. More basic than that, they would damage human cells causing cancers and other health problems.

We don’t think it’s by chance that we have the protection of Earth’s magnetic field. We see this as one more evidence of the provision of God to make possible life on this planet.
–Roland Earnst © 2018

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Our Unique Solar System

Our Unique Solar System
As astronomical equipment gets better, the details of stellar systems other than our own show patterns that highlight our unique solar system.

The January 3, 2018, issue of The Astronomical Journal published a report on a study of 909 planets in 355 systems discovered by the Kepler Telescope. The study shows two major patterns in neighboring exoplanets. The first is that those exoplanets tend to have similar masses. The second is that their orbits are regularly spaced from one planet to the next.

Our solar system has inner planets that have mismatched sizes, and they are widely spaced. All models of solar system formation fit what we see in exoplanets. The evidence suggests that exoplanetary systems have not been disturbed since their formation. Our system is different because it shows evidence that it has been disturbed. Jupiter and Saturn seem to be tools that modify the normal pattern of solar system formation.

In 1996 an extraterrestrial rock fragment was discovered in Egypt called the Hypatia stone. The mineral composition of that stone is unlike any other known object in our solar system. Scientists think that it originated outside of our system. Our solar system seems to be unique in both structure and chemical makeup. Astronomers are discovering indicators of how God created the Earth and all of the things that allow life to exist on it.

The design of our unique solar system compared to other systems helps us to understand that we are not a product of chance collisions or explosions in space. The simple statement of the Psalmist in Psalms 19:1 has a different frame of reference now than when it was written. It is truer today than when the ancient shepherd looked at his sky and wrote, “The heavens declare the glory of God and the Earth shows the work of His hands.”
–John N. Clayton © 2018
Data from Astronomy magazine, May 2018, pages 15, 17.

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One Strange Rock

One Strange Rock
The March 2018 issue of National Geographic features an article with the title One Strange Rock. A NatGeo TV presentation by the same name premiers today. The subtitle of the magazine article says: “13 things that make life on Earth possible.”

For many years we have presented these variables in our videos and audios, books and articles. While new data has expanded these concepts, the fundamental design features of the cosmos remain an excellent argument for the existence of God and His role in the creation. Here are the 13 variables that National Geographic presented to support the idea that Earth is one strange rock:

“#1. OUR PLANET RECYCLES LIFE-FRIENDLY CARBON OVER TIME.
#2. WE HAVE AN OZONE LAYER TO BLOCK HARMFUL RAYS.
#3. WE HAVE A BIG MOON TO STABILIZE OUR AXIAL WOBBLE.
#4. EARTH’S VARIED SURFACES SUPPORT MANY LIFE FORMS.
#5. OUR MAGNETIC FIELD DEFLECTS SOLAR TEMPESTS.
#6 WE’RE AT JUST THE RIGHT DISTANCE FROM THE SUN.
#7. WE’RE SITUATED SAFELY AWAY FROM GAS GIANTS.
#8 THE SUN IS A STABLE, LONG-LASTING STAR.
#9. WE HAVE THE RIGHT STUFF TO HOST A DYNAMIC CORE.
#10. WE HAVE GIANT PLANETS THAT PROTECT US FROM AFAR.
#11. OUR SUN OFFERS PROTECTION FROM GALACTIC DEBRIS.
#12. OUR GALACTIC PATH STEERS US CLEAR OF HAZARDS.
#13. OUR LOCATION IS FAR FROM STELLAR CROWDS.”

We encourage you to view our video series which begins by looking at these variables and showing the probability factors for these and other variables. The point of our discussion is that when you calculate the odds of these things happening by chance, you end up with a probability that is statistically unacceptable.

The conclusion of National Geographic in the article is:

“Earth is well equipped as a planet and ideally placed in our solar system and galaxy to support life as we know it. The product of some 4.6 billion years of cosmic construction, our planet is flush with life thanks to a fortuitous set of conditions, from the optimal chemical makeup of our planetary core to our safe distance from the hidden black hole at the heart of our galaxy.”

Construction suggests an intelligence doing things in a logical order. Blind chance is not a method, and chance produces as much chaos as order. These 13 variables are just astronomical parameters. There are also design features seen in the creation of physical laws and the laws of quantum mechanics that allow stable atoms to exist. Planet Earth is far more than one strange rock.

The more we know of the creation, the more we know of the Creator. Our knowledge is increasing daily which means the evidence for God’s existence also grows daily.
–John N. Clayton © 2018

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Searching for Other Worlds

Searching for Other Worlds
In 1999 astronomers detected the first exoplanet–a planet in another solar system. The number of planets detected orbiting around stars other than our Sun has grown to more than 3,500 today. There are billions of stars in our Milky Way Galaxy so searching for other worlds is just getting started.

NASA’s main tool for finding exoplanets has been the Kepler space telescope. The method of detecting those planets is watching for occlusions. If there is a planet orbiting a star, it will sometimes pass in front of that star from our viewpoint causing an occlusion or mini-eclipse. The planets are too small for us to see, but we can see a small dip in the light coming from the star. If the dip comes on a regular interval that means it might be an orbiting planet. The amount of the dip in light level indicates the size of the planet in relation to its star. Using this method of detection, astronomers have compiled a catalog of detected planets.

As I said, until now the Kepler telescope has been the method for finding most of these planets, but it will soon end its life. However, 2018 will be the beginning of new opportunities to look for exoplanets because of two new satellite-based observatories. Very soon NASA will launch TESS. That stands for Transiting Exoplanet Survey Satellite. By the end of the year, the European Space Agency (ESA) will launch CHEOPS or Characterising Exoplanet Satellite. (Aren’t you glad we have acronyms.)

The Kepler telescope was very good at searching for other worlds, but only in a small area of the sky. TESS will take a much wider view with the hope of finding many more. For obvious reasons, so far most of the planets detected are giant planets. TESS will be targeting bright stars in the hope of finding smaller planets that more closely resemble Earth. Astronomers will be able to target TESS more precisely toward selected stars.

It will be interesting to see what new discoveries will come from the investment of time and more than a quarter of a billion dollars. So far there have been no more than a dozen planets that even come close to being possible outposts for life. As we have said before there are many parameters required to sustain any kind of life and even more to support advanced life. We have also said many times before that whether there is life anywhere else in the cosmos has nothing to say about whether God exists. A God who is great enough to create the cosmos can create life anywhere He chooses. We are just glad He chose planet Earth so scientists can continue searching for other worlds.
–Roland Earnst © 2018

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OSIRIS-REx Photograph

OSIRIS-REx
At first glance, this picture may not look like much. However, you need to take a good look at the large white dot in the center. That’s us. In September of 2016, the National Aeronautics and Space Administration (NASA) launched a spacecraft called OSIRIS-REx. The name stands for Origins, Spectral Interpretation, Resource Identification, Security, Regolith Explorer. Its purpose is to study asteroids. Specifically, it was launched to study an asteroid named 101955 Bennu, to take a sample from it, and return that sample to Earth. Scientists hope that studying that asteroid sample will help us learn more about the formation of our solar system. The project will cost about one billion dollars.

On January 17, 2018, OSIRIS-REx turned its NavCam 1 camera toward Earth and snapped this picture. The spacecraft was almost 40 million miles (63.6 million km) from Earth and traveling away at 19,000 miles per hour (8.5 km per second). The largest and brightest spot in the picture is Earth. The smaller dot close to it is our Moon. The cluster of stars in the upper left is the Pleiades. In the upper right is Hamal, the brightest star in the constellation Aries. Surrounding the Earth and Moon are five stars that are the head of the whale in the constellation Cetus.

The spacecraft is expected to reach Bennu this summer and will orbit the asteroid until July of 2020 when it will land and gather a sample. In September of 2023 is it scheduled to deliver that sample to the scientists on Earth. The purpose is to learn more about this near-Earth asteroid. The hope is that will help us to learn more about asteroids in general and what we might do to prevent one from slamming into our planet. There is also hope for mining useful minerals from asteroids and getting a better idea of the history of Earth. The whole list of scientific objectives for this space probe is contained in that long name for which we use the acronym OSIRIS-REx.

Forgetting about the cost and ambitious objectives, we enjoy looking at this view of Earth from far, far away. It reminds us of what a big solar system and universe we live in and how amazing is the God who designed it all. It also reminds us of the challenge God gave to Job about the Pleiades in Job 38:31-33.
–Roland Earnst © 2018

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Driving to Mars in a Red Convertible

Driving to Mars
On February 6 SpaceX launched a red Tesla roadster convertible owned by billionaire CEO Elon Musk in a trajectory toward Mars. The photo from an onboard camera shows the dummy driver leaving Earth and driving to Mars.

Will the car ever get there? Astronomers say that it will go into orbit around the Sun and eventually come to the vicinity of Mars. However, it will probably not come very close to the planet depending on the timing of orbits. It has no onboard thrusters to adjust its direction for driving to Mars. At any rate, it will take several months to arrive anywhere near Mars. The closest Mars ever comes to Earth is 33 million miles (54.6 million kilometers). It takes a long time to “drive” that far.

Musk has been promoting the idea of colonizing Mars. His company has developed the world’s most powerful space rocket, the Falcon Heavy Rocket, which they used to launch Musk’s car. However, Mr. Musk doesn’t seem to be doing much to solve the problems of interplanetary space travel. For humans to survive on long space flights away from the protection of Earth’s atmosphere and magnetic field, will require much more effort than launching them into space.

Earth has been designed to shield us from the deadly effects of space. Of course, the vacuum of space would be deadly to anyone not in a pressurized suit or cabin. That problem has been solved to allow astronauts to live in the International Space Station and make spacewalks. If the tires on the car were pressurized, I suspect they would have blown out by now. Another problem is food, medicine, and other supplies. Resupply launches provide for the needs of people on the ISS, but that would not be practical for people traveling to or colonizing Mars.

Perhaps the biggest challenge is cosmic radiation and debris coming from outer space. Earth’s atmosphere is designed to protect us from those things. The space station in low Earth orbit is still somewhat within the magnetic field of Earth. In outer space, the only protection is what you can take with you. Apparently, from what Elon Musk posted on Twitter, his car was headed on a dangerous trip into the asteroid belt beyond Mars.

Musk said in a news conference that the car was “just going to be out there in space for maybe millions or billions of years.” That may be doubtful. Musk admitted that SpaceX had not tested the materials of the red convertible for space endurance. The mannequin space traveler is wearing an authentic space suit, but the car is made of the usual materials. Even if the car avoids major collisions with asteroids, it will become riddled with pockmarks from micrometeorites. Leather, fabrics, plastics, and even the carbon-fiber frame will break down from exposure to unfiltered sunlight and cosmic radiation. The carbon-carbon and carbon-hydrogen bonds in those materials will break down, and the car will fall apart. At least one scientist, William Carroll, a chemist at Indiana University and an expert on plastics and organic molecules, said, it won’t last a year in space.

One more thing to note is that the radio in the car was playing David Bowie’s song “Space Oddity.” However, sound can’t travel through a vacuum, and since there is no atmosphere in space, the radio is playing the sound of silence. The battery will run down in a short time anyway. Driving to Mars is going to be a challenge, even in a well-designed spaceship. The need for power, food, protection from the elements and many other things, make us very happy to live on planet Earth. It almost seems as if Someone designed this place for us to call “home.”
–Roland Earnst © 20018

To read more about this click here and here and here and here.

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Lunar Eclipse and Lunar Effects

Lunar Eclipse and Lunar Effects
Many of us missed the super blue blood moon lunar eclipse this morning. We may have missed it either because of weather (clouds) or because it wasn’t complete in the part of the world where we live. So did we miss seeing a rare phenomenon?

A total lunar eclipse happens about once every year-and-a-half, but this one was special. An eclipse like the one this morning has not happened in North America in the last CENTURY-and-a-half. (Yesterday we explained what a super blue blood moon is.) The last time there was a supermoon total eclipse in North America was in 2015. A blue moon lunar eclipse last occurred in 1982. But the last time that North America saw a total eclipse of a blue supermoon was in 1866. Unfortunately for most of us in North America, this morning’s eclipse happened at or near the setting of the Moon, so we could only see part of it at best. In addition to that, much of central North America was cloudy.

Watching a lunar eclipse can be fascinating, but what is special about the Moon? Compared to the moons of other planets in our solar system, our moon is larger in relation to planet Earth. The size of the Moon and it’s distance from the Earth makes total SOLAR eclipses possible, but we have examined that before. The size of the Moon and its distance from Earth puts it in tidal lock with the Earth. What that means is that the same side of the Moon is always facing the Earth. We see only one side of the Moon every night year-after-year.

What is our Moon good for except to look at? The truth is that without the Moon, Earth would be a much more hostile place to live. The gravity of the Moon creates the ocean tides which clean the bays and estuaries essential for many plants, animals, and birds. The gravity of the moon has slowed and stabilized the Earth’s rotation and tilt, shaping the life-cycles of plants and animals and determining our wind patterns and weather. The Moon reflects the light of the Sun to give a night light essential for many forms of life.

A super blue blood moon lunar eclipse is interesting to watch, but there are more reasons for the Moon to exist. We should be thankful that we have the Moon because it really is “super.” I suggest that it is not an accident, but part of the cosmic design of a Master Engineer.
–Roland Earnst © 2018

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Earth’s Atmospheric Shield

Earth's Atmospheric Shield Protects Against Meteoroids
In 2013 a 10,000-ton 60-foot (20 m) wide asteroid entered the Earth’s atmospheric shield and exploded over Chelyabinsk, Russia. The explosion occurred 18 miles (29 km) above the Earth emitting a shock wave equivalent to 10 Hiroshima bombs.

A team led by Dr. Jay Melosh of Purdue University has extensively studied what controls how much damage a rock from space can cause. Dr. Melosh’s research was funded by NASA’s Office of Planetary Defense, and some interesting facts have come from the research. According to the study, Hollywood disaster movies aren’t even close to being realistic. Dr. Melosh says “Realistic stuff doesn’t make a good story. Hollywood usually manages to get it wrong.”

Meteoroids are hunks of rock that come in all shapes and sizes and with different amounts of porousness. As a rock enters the atmosphere, air pressure builds up in front of it, and a vacuum develops behind it. For most porous rocks, the air will rush into the rock and blow off pieces, like an air hose blowing in a bucket of sand. The design of the Earth’s atmosphere is what causes the break-up of the meteoroids. It is only if they are too big to blow apart that they hit the Earth leaving a crater such as Meteor Crater in Arizona.

The article about Dr. Melosh’s work in the Herald Bulletin says that Earth’s atmospheric shield is better than we thought. Modern astronomy continues to find design features of the universe and the Earth that allow life to exist on this planet. This is another example of a design feature that makes it so that we don’t have to walk around looking up to dodge an incoming celestial missile.
–John N. Clayton © 2018

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Flat Earth Movement Still Alive

Flat Earth
A Newsweek article for November 30, 2017, reported that more Americans scoured the internet looking for proof that the Earth is flat in the past 12 months than ever before. The first “Flat Earth International Conference” in September drew 500 “believers.” I put the word believers in quotes because there is no way to tell how many of these folks view the whole thing as a joke, and how many people truly believe in a flat Earth.

Atheist and popularizer of secular humanism Neil DeGrasse Tyson got into the act by “sharing a photoshopped image of the moon on Twitter to undermine Flat-Earthers.” The image shows what a lunar eclipse would look like with a flat Earth. Tyson frequently equates belief in God with the flat Earth mentality. We may shake our heads in wonderment at this whole scenario, but it brings to mind the old proverb, “If people don’t believe in something, they will believe anything.”

While the Bible doesn’t discuss this issue directly, there are passages like Isaiah 40:22, Proverbs 8:27, and Luke 17:30-35 which infer that the Earth is round with daytime and nighttime activities taking place simultaneously. Unfortunately, we see some Christians taking positions on scientific issues that are similar to the Flat-Earthers. When the Bible is put in the same arena with flat Earth believers the Bible’s credibility suffers.

You can intelligently and logically believe that “In the beginning God created the heaven and the earth.” There is massive evidence to support that statement. The same is not true of those who believe the Earth is flat.
–John N. Clayton © 2017