Modifiers matching mass:

• architectural,
• diocesan,
• solid,
• large,
• atomic,
• stellar,
• solar,
• porous,
• heavy,
• molten,
• significant,
• decorative,
• gravitational,
• high,
• hot,
• nonlinear,
• immovable,
• smaller,
• external,
• huge,
• special,
• compact,
• plastic,
• metal,
• gaseous,
• larger,
• big,
• moving,
• nearby,

Simple categories matching solar:

• protection,
• activity,
• process,
• panel,
• event,
• phenomenon,
• disk,
• measure,
• collector,
• structure,
• equipment,
• facility,
• feature,
• product,
• system,
• use,
• disturbance,
• part,
• gadget,
• information,
• devices,
• metal,
• force,
• radiation,
• eruption,
• flare,
• outburst,
• surface,
• whole,
• light,
• cooker,
• cycle,
• design,
• energy,
• lighting,
• cell,
• unit,
• body,
• symbol,
• mass,
• appliance,
• concept,
• atmosphere,
• organism,