Overview:

A popular video lays out an interesting case for the star of Bethlehem being a series of real astronomical events, but it’s time for some tough love.

Reading Time: 3 minutes

Are you anxious for a takedown of Rick Larson’s The Star of Bethlehem video? I certainly am.

Now that we’ve let the Christian side state their case (part 1 here), it’s time to respond. If you’ve been biting your tongue with rebuttals, let’s turn the tables. This’ll be fun.

That video argued that the conjunctions of Jupiter with Regulus and Venus during the years 3 and 2 BCE explain the story of the magi following the star in Matthew chapter 2. Volumes have been written with many other attempts to explain the star, but this video is a popular explanation, and I will use it as a representation of the field.

The video makes a clever and intriguing argument, but an intriguing argument doesn’t carry the day. Let me illustrate that with this question: Why is the mathematical constant e = 2.718281828459045…? One answer:

It has a lot to do with a $20 bill.

Note that Andrew Jackson’s picture is on a twenty. He served two terms, hence the 2. He was the seventh president, now giving us “2.7”. He was elected by a vote that was held in 1828 and since he served two terms we will repeat this, giving us “2.718281828”. If you fold the bill in half then fold it corner-to-corner you end up with a 45–90–45 degree triangle. Append that sequence and you get “2.718281828459045”. That makes the answer to your question pretty clear, doesn’t it?

Of course, the author of this ingenious answer wasn’t being serious, but it does illustrate how it may not be that remarkable to weave an interesting argument when you’re not following evidence but selecting it to pave a path to a conclusion you’re determined to reach.

Larson knows that he wants to find celestial fireworks at the time of the birth of Jesus to map onto Matthew’s Bethlehem star story, so he sifts and hammers the data to reach that conclusion. The result is an interesting argument, but it ultimately fails under the weight of many questions. The New Testament contains two nativity stories, but Larson, without apology, doesn’t bother to reconcile them. He ignores Luke and focuses on Matthew. And like the zombies stumbling through the streets of Jerusalem in Matthew 27:52–3, we’re left to wonder why the star and magi are also only in Matthew. If it was important enough for Matthew and it actually happened, why wasn’t it reported in the other gospels?

When was Jesus born?

Matthew’s nativity account says that Jesus was born before King Herod died. 4 BCE is the traditional date of Herod’s death, but this prevents Larson from using the celestial events of 3 and 2 BCE to make his story. Larson tries to salvage his theory by arguing that Herod died in 1 BCE.

4 BCE is the scholarly consensus, and the defense of that date sounds convincing to me (Wikipedia summary here). A summary of the debate is tangential to the purpose of this post, but I do want to highlight one point. I have no problem considering minority views in religious scholarship, but the people who want to reject the consensus view here are probably the ones who ridicule those who challenge the consensus view of the historicity of Jesus. For example, “Aside from a very small [handful] of mythicists who don’t hold professorship in any relevant fields, the consensus [that Jesus was a historical figure] is just as universal among historians as the theory of evolution is among biologists.” I’m just asking for consistency—if you object to the rejection of the scholarly consensus of the existence of Jesus, then don’t attack the consensus of historians elsewhere.

Herod dying in 4 BCE defeats Larson’s argument, but let’s ignore that and continue.

Astronomy vs. astrology

Larson said that the Bible’s warnings against astrology gave him pause, and we can see why. For example,

If a man or woman … has worshiped other gods, bowing down to them or to the sun or the moon or the stars in the sky, … take the man or woman who has done this evil deed to your city gate and stone that person to death. (Deuteronomy 17:2–5; see also Isaiah 47:13–15, Job 31:26–8, Deut. 4:19 and 18:9–14, Jeremiah 10:1–3)

The constellations come from the Babylonians, the civilization that conquered Judah in the sixth century BCE. God’s rejection of astrology built on Babylonian constellations is understandable, and yet Larson imagines God using that invention to communicate Jesus’s birth.

We’ll ignore the Bible’s protests as well and move on.

Continued with the astronomical phenomena in part 2.

When the facts change, I change my mind.
What do you do, sir?
— attributed to John Maynard Keynes
(probably falsely)

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CROSS EXAMINED After graduating from MIT, Bob Seidensticker designed digital hardware, and he is a co-contributor to 14 software patents. For more than a decade, he has explored the debate between Christianity...