Can Astronomy Explain the Biblical Star of Bethlehem?

Can Astronomy Explain the Biblical Star of Bethlehem?

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To understand the Star of Bethlehem, we need to think like the three wise men. Motivated by this “star in the east,” they first traveled to Jerusalem and told King Herod the prophecy that a new ruler of the people of Israel would be born. We also need to think like King Herod, who asked the wise men when the star had appeared, because he and his court, apparently, were unaware of any such star in the sky.

Puzzles for astronomy

These events present us with our first astronomy puzzle of the first Christmas: How could King Herod’s own advisors have been unaware of a star so bright and obvious that it could have led the wise men to Jerusalem?

Next, in order to reach Bethlehem, the wise men had to travel directly south from Jerusalem; somehow that “star in the east” “went before them, ‘til it came and stood over where the young child was.” Now we have our second first-Christmas astronomy puzzle: how can a star “in the east” guide our wise men to the south? The north star guides lost hikers to the north, so shouldn’t a star in the east have led the wise men to the east?

And we have yet a third first-Christmas astronomy puzzle: how does Matthew’s star move “before them,” like the taillights on the snowplow you might follow during a blizzard, and then stop and stand over the manger in Bethlehem, inside of which supposedly lies the infant Jesus?

The adoration of the Magi, after they followed that ‘star in the east’ to Jesus.

The adoration of the Magi, after they followed that ‘star in the east’ to Jesus.  Fr Lawrence Lew, O.P. CC BY-NC-ND

What could the 'star in the east’ be?

The astronomer in me knows that no star can do these things, nor can a comet, or Jupiter, or a supernova, or a conjunction of planets or any other actual bright object in the nighttime sky. One can claim that Matthew’s words describe a miracle, something beyond the laws of physics. But Matthew chose his words carefully and wrote “star in the east” twice, which suggests that these words hold a specific importance for his readers.

Can we find any other explanation, consistent with Matthew’s words, that doesn’t require that the laws of physics be violated and that has something to do with astronomy? The answer, amazingly, is yes.

Astrological answers to astronomical puzzles

Astronomer Michael Molnar  points out  that “in the east” is a literal translation of the Greek phrase  en te anatole , which was a technical term used in Greek mathematical astrology 2,000 years ago. It described, very specifically, a planet that would rise above the eastern horizon just before the sun would appear. Then, just moments after the planet rises, it disappears in the bright glare of the sun in the morning sky. Except for a brief moment, no one can see this “star in the east.”

We need a little bit of astronomy background here. In a human lifetime, virtually all the stars remain fixed in their places; the stars rise and set every night, but they do not move relative to each other. The stars in the Big Dipper appear year after year always in the same place. But the planets, the sun and the moon wander through the fixed stars; in fact, the word “planet” comes from the Greek word for wandering star. Though the planets, sun and moon move along approximately the same path through the background stars, they travel at different speeds, so they often lap each other. When the sun catches up with a planet, we can’t see the planet, but when the sun passes far enough beyond it, the planet reappears.

And now we need a little bit of astrology background. When the planet reappears again for the first time and rises in the morning sky just moments before the sun, for the first time in many months after having been hidden in the sun’s glare for those many months, that moment is known to astrologers as a heliacal rising. A heliacal rising, that special first reappearance of a planet, is what  en te anatole  referred to in ancient Greek astrology. In particular, the reappearance of a planet like Jupiter was thought by Greek astrologers to be symbolically significant for anyone born on that day.

Thus, the “star in the east” refers to an astronomical event with supposed astrological significance in the context of ancient Greek astrology.

Was the star visible just briefly before dawn?

Was the star visible just briefly before dawn?  James Callan CC BY-NC-SA

What about the star parked directly above the first crèche? The word usually translated as “stood over” comes from the Greek word  epano, which also had an important meaning in ancient astrology. It refers to a particular moment when a planet stops moving and changes apparent direction from westward to eastward motion. This occurs when the Earth, which orbits the sun more quickly than Mars or Jupiter or Saturn, catches up with, or laps, the other planet.


Eric Larson( seems to have nailed it....Incarnation-Rosh Hashana 3BC;Birth-June2BC; StarIJupiter) STOPS over Bethlehem-25Dec2BC. ff to 3Apr33AD Good Friday with worldwide blackout noted by Sextus Julius Africanus, Tertulian, Phlegan, Thallus.

Point in fact is that nobody knows the date of Jesus's birth and it has been hotly debated since ancient times, although most historians back then placed the birth between April and May - not December. The reason why Christmas is celebrated on 25 December was a deliberate decision by the Roman Catholic Church. In its attempt to stamp out "heathen" religions (noticeable the belief in a pantheon of gods in Ancient Greece and Rome) the Church vilified their deities: gods become demons; goddesses became witches. They also basically highjacked their religious festivals. At the time the main Greek festival was Saturnalia, a sort of thanksgiving to the god of the harvest, Saturn, for a fruitful planting season. It was a glutinous week long feast with plentiful food. Prisoners were released from jail, servants were served food by their masters and the rich would dote on the poor. It was generally considered a period of kinship and goodwill - as is Christmas. Two other similarities between Saturnalia and Christmas which can't be denied is that Saturnalia was celebrated from the 25th to the 31st of December and on the first day of the festival people would exchange gifts (poor people would also receive gifts from the rich - in essence, charity). Looking at all these facts, it's highly likely that moving Jesus's birth to the start of the Saturnalia was an attempt to erase the importance of the festival (which was the most important one of the year in Ancient Greece) and instill the Church's doctrine in these cultures. With Christianity spreading as Europeans set out on their destructive naval explorations, these indoctrinations stuck to this very day.

The reasoning that this "star" hovered over Bethlehem in December is therefore not a plausible explanation for leading the magi there on the night of 25 December 00. If, as the author stated, the child was already a few months old by that date, it makes more sense as he was definitely not born on that day as modern Christians believe.

Many aspects of Saturnalia remain prominent during Christmas, notably elaborate dinners / lunches, gift giving and goodwill towards the less fortunate.

The Star of Bethlehem was Halley's Comet. This has been missed because the birth of Christ was not 2,016 years ago, but 1,716 years ago. Three hundred years of the so-called "Dark Ages" between roughly 615 and 915 never existed at all and were inserted into the calendar in the reign of Holy Roman Emperor Otto III. This whole question is outlined in great detail in several books by German author Heribert Illig and have been summarized by myself in a work called "Guide to the Phantom Dark Age". No archaeology for the years between 615 and 915 can be found anywhere, even in the Byzantine and Muslim worlds which were not overthrown by the barbarian Goths and Huns and who should therefore have no dark age.

The retrocalculated appearances of Halley's Comet show nothing for the years between 7 B.C. and 1 B.C., the supposed probable dates of Jesus' birth. However, Halley's Comet would have appeared spectacularly in the western sky in the spring of 295 A.D. (Recall that Jesus was probably born about 4 or 5 B.C., so this explains why it didn't appear in 300 A.D.). Even more to the point, to wise men in Persia or Babylonia, the comet would have sat in the western sky - directly over the land of Israel!

The helical rising could have foretold the birth. So that the birth could have occurred at the moment Jupiter stopped moving westward and stood still.

Let’s look at the Matthean pericope Mt 2:1-11 with a fresh eye. The canonical text (further simply “the text”) reports about ONLY two observations of an unusual “star” by the magi: the first time the magi “saw his star when it rose” Mt 2:2 (here and further “New International Version”) and the second time AFTER the “star” had “stopped over the place where the child was” (cf. Mt 2:9 and Mt 2:10).It may be assumed that the first time the magi saw the rising “star” near Jerusalem. The magi thought that “a king of the Jews” was born in the capital and hurried there to worship him. They came to Jerusalem in the late morning or afternoon, so the “star” was not visible in daylight and no one could see it. Herod was quickly informed about the excited magi and their report. But there was not a suitable baby in the families of Herod’s numerous descendants. Then the king could simply ignore the magi with their fantasies.But someone from Herod’s environment “added fuel to the dying fire” making a clarification: according to the prophecy Numbers 24.17 the rising of an unusual “star” could mean much more than the birth of another future “king of the Jews”, namely the birth of Christ - the Messiah - Mashiach. At the meeting Herod asked “chief priests and teachers of the law… where the Messiah was to be born. “In Bethlehem in Judea” they replied… Then Herod called the Magi secretly" Mt 2.4,5,7. The king did not leave the meeting immediately so the magi had to wait. Herod met the magi in the evening and he wanted them to show him their “star”. However, their “star” had not yet risen and the king only “found out from them the exact time the star had appeared” Mt 2.7. Herod wasn’t impressed at all by the humble magi and their report. He was sure they would not find in Bethlehem a newborn "king of the Jews” and even less Messiah. That’s why he did not give them any escort.The magi spent the night in Jerusalem, and the next day at dawn they went to Bethlehem. That morning the magi did not observe the rise of their “star”, probably due to cloudy weather. Though “the text” says that “the star they had seen when it rose went ahead of them” Mt 2.9 the magi did not observe it when they were following the winding road through hills to Bethlehem (cloudy weather). They saw the “star” for the second time only after it had "stopped over the place where the child was” (cf. Mt 2.9 and Mt 2.10). Thus when the magi had seen the “star” for the first time they left it behind them and entered Jerusalem from the east, and now they suddenly saw the “star” standing over the house in front of them. That’s why it was reported in oral traditions and later written in the Gospel “went ahead of them” Mt 2.9. Note that according to my hypothesis two observations of the “star” by the magi are separated by a little more than one day.It is obvious that Matthew did not invent these fine details, but carefully wrote down what came to him in the oral tradition several decades after the events. It may be easily shown that such a simple realistic interpretation is in a better agreement with the letter and spirit of the canonical text than traditional ones! And with this interpretation one easily solves the “astronomy puzzles”, enumerated in Prof. David A. Weintraub’s article “Can astronomy explain the biblical Star of Bethlehem?”For Puzzle 1. The text doesn’t say that the “star” was bright or the “star” led the magi to Jerusalem. They left it rising behind them.For Puzzle 2. The text doesn’t say that the “star” led the magi from Jerusalem to Bethlehem. They followed the winding road through hills, not the “star”.For Puzzle 3. According to the text first the “star” had stopped over the house and only after the magi saw it in front of them.But what could the ‘rising star’ be in reality? Dr. E.C. Krupp, Director of Griffith Observatory, Los Angeles, California kindly sent me a quotation from his book: “In astrological terms, there is always something going on overhead. If you give me a date for the birth of Christ, I’ll give you a Christmas Star.” (“Beyond the Blue Horizon: Myths and Legends of the Sun, Moon, Stars, and Planets”. New York: HarperCollins, 1991), page 311). In other words, it is not difficult to propose a candidate for the role of the Christmas star. But it is much more important to verify on the basis of independent sources the events which are described in the canonical “Nativity story” and possibly correct it. That’s what I try to do in my hypothesis.In an ancient manuscript one may read: “Anno sequenti Herodes rediens a Roma cum videret qui illusus esset a magis…”, i.e. “The following year on his return from Rome, when Herod saw that he was mocked of the wise men…” (Manuscrit D, Paris, BNP Nr. 1652). According to modern scholars the last voyage of Herod to Rome took place in the late summer of 12 BCE. In the Chinese dynastic history “Ch' en-han-shu. Treatise on the Five Elements "one may read: “On August 26 [in the year 12 BCE] a star emerged at Tung-Ching …In the morning it appeared at the East direction…”. Modern calculations have shown that it was Halley’s comet. For further details, see a short summary of my hypothesis on the site http://

Alexander Reznikov. Moscow.

Yet another theory on what the star is. Seems Like there's a new one every Christmas. This one makes as much sense as the other ones. Every author points out the pros and none of the cons (not that I know what they are though there must be some.) still. A great article that I enjoyed reading

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