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Pastor J.D. talks about whether aliens are a possibility or a mere figment of the imagination.
A glimpse inside this episode:
Our faith doesn’t rise and fall with this question, so we have some liberty here. It’s not in our church’s statement of beliefs. C.S. Lewis seemed to keep the option open, and he’s smart … so there’s that.
But:
Also:
Practical question: If there were, could we ever be visited? Based on the physics of the universe, hard to imagine.
The closest star to the Earth, Proxima Centauri (a-Centauri C) is 40.7 million million kilometers (approximately 25 million million miles) away. The Apollo flights took three days to get to the moon. At the same speed, one would need 870,000 years to get to the nearest star. Of course, one could accelerate (particularly unmanned) probes to a greater speed.
At the incredible speed of one-tenth the speed of light, the trip, one way would still take 43 years. However, one would need enormous amounts of energy for such an acceleration, roughly equivalent to the electricity consumption of the entire world’s population for one month.
Furthermore, in every cubic kilometer of space, there are an estimated 100,000 dust particles (made up of silicates and ice) weighing only a tenth of a gram. At such a velocity, colliding with even one of these tiny objects could destroy a spaceship.
What is behind all the sightings?
All that to say: Believing in the possibility of aliens is probably fine, though questionable at best. But obsession over them might indicate something troubling for a Christian. We don’t need beings from another planet to save us; We’ve already had a heavenly being walk in our midst.
By J.D. Greear4.8
624624 ratings
Pastor J.D. talks about whether aliens are a possibility or a mere figment of the imagination.
A glimpse inside this episode:
Our faith doesn’t rise and fall with this question, so we have some liberty here. It’s not in our church’s statement of beliefs. C.S. Lewis seemed to keep the option open, and he’s smart … so there’s that.
But:
Also:
Practical question: If there were, could we ever be visited? Based on the physics of the universe, hard to imagine.
The closest star to the Earth, Proxima Centauri (a-Centauri C) is 40.7 million million kilometers (approximately 25 million million miles) away. The Apollo flights took three days to get to the moon. At the same speed, one would need 870,000 years to get to the nearest star. Of course, one could accelerate (particularly unmanned) probes to a greater speed.
At the incredible speed of one-tenth the speed of light, the trip, one way would still take 43 years. However, one would need enormous amounts of energy for such an acceleration, roughly equivalent to the electricity consumption of the entire world’s population for one month.
Furthermore, in every cubic kilometer of space, there are an estimated 100,000 dust particles (made up of silicates and ice) weighing only a tenth of a gram. At such a velocity, colliding with even one of these tiny objects could destroy a spaceship.
What is behind all the sightings?
All that to say: Believing in the possibility of aliens is probably fine, though questionable at best. But obsession over them might indicate something troubling for a Christian. We don’t need beings from another planet to save us; We’ve already had a heavenly being walk in our midst.

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