I suggest adding New solar system with higly Active star wich wolud radiate very much Radiation. So to survive at its planet you wolud need New Cosmic suit made from metal wich wolud be mix of calorite , desh, and ostrum.It wolud be named fortisium( fortis=strong in latin + ium ) this material dont let Radiation trought so you can survive harash eviroment . To make Base on this planet you wolud need to be 20 block underground or have Roof and Walls made of Blocks made of fortisium. Surface of planet wolud be barren Desert but aurond 30 Blocks Under Surface life wolud thrive in underground jungles and oceans. Even with fortisium special costium these jungles and oceans wolud be dangerous becuse most of live there wolud be posionus. But with hight risk comes great reward. On planet diamonds wolud be more common than at any other planet there also wolud be lot of Coal iron and gold ,and some New ore uranium wich colud be used as even better Fuel or to make stronger explosions or making local Radiation ( it wolud make Radiation in radius of 4 blocks) and maybe New ore wich colud be used for later progression.
Also planet's name colud be irradiatus (irradiated in latin)
Planets main color pallete wolud be black-gray-white ( sand on Surface) dark gray+maybe bit of Purple(stones) And jungles Purple blue
Planet also colud offer some decorative Blocks like New wood or Coral blocks
Ps. To make Base you also wolud need New block gas remove becuse otherwise you wolud have toxic mix of gases in base ( or other Solution planet also colud have oxygen but that's less cool)
#New planet and few more things
cursive pelican
upbeat vector
Can suggest new weather type for this planet: solar flare. When it appear, even fortisium armor will not help, and your only chance to survival is to return on base ASAP (or it will instantly and unavoidably kill you). But you can craft solar flare detector (block or item), which will warn you some time before flare.