Xenon is actually quite rare in nature. It's considered a noble gas, meaning it's very unreactive and doesn't readily form compounds.

Here's why it's uncommon:

* Trace amounts: It exists in the Earth's atmosphere at very low concentrations, only about 0.087 parts per million (ppm).

* Radioactive isotopes: Most xenon isotopes are radioactive, meaning they decay over time.

* Origin: The majority of xenon originates from nuclear processes like supernova explosions and the decay of radioactive elements.

To put its rarity in perspective:

* It's about 100 times rarer than helium.

* It's even rarer than gold, which is about 0.004 ppm in the Earth's crust.

Therefore, although xenon is present in nature, it's considered a scarce element.