I dunno, one of the slam dunks was the spectrum cliff showing vegetation. What if the energy production system on Planet X wasn't based on Mg-bearing chlorophyl

I dunno, one of the slam dunks was the spectrum cliff showing vegetation. What if the energy production system on Planet X wasn't based on Mg-bearing chlorophyll? And plants have only been around for 1/7th to 1/4 of the planet's history, so it's a crap shoot any way you slice it.