How to pronounce “pyroxene” in English

So, let's show you a little summary of this. There's that dust particle. It's about the size of a bacterium, by the way, just a few microns across. So, nothing but a silicatemineral, olivine, pyroxene. These are ordinary minerals. But it's spewed out by stars, supernova, and nova when they explode.The dust particles accumulate ice mantles. The ice mantle begins with very simple compounds--water, methanol, carbon monoxide, and ammonia. UV radiation is the energy source that drives