Modifiers matching catastrophe:

• economic,
• natural,
• major,
• biblical,
• unavoidable,
• sudden,
• environmental,
• past,
• local,
• widespread,
• ecological,
• devastating,
• unnatural,
• global,
• predictable,
• european,
• astronomical,
• nuclear,
• infrequent,
• unpredictable,
• underlying,
• small,
• large,
• real,
• geophysical,
• unexpected,
• cosmic,
• significant,
• localized,
• individual,
• big,
• world,
• physical,
• humanitarian,
• social,
• related,
• violent,
• future,
• climatic,
• national,
• single,
• extraordinary,
• horrible,
• terrible,
• recent,
• wide,
• smaller,
• external,
• worldwide,
• extreme,
• specified,
• mental,
• weather,
• regional,
• temporary,
• domestic,
• massive,
• powerful,
• dramatic,
• unforeseeable,
• political,
• possible,
• unforeseen,
• bad,
• periodic,
• random,

Simple categories matching astronomical:

• object,
• event,
• time,
• patch,
• thing,
• matter,
• phenomenon,
• body,
• project,
• apparatus,
• instrument,
• hazard,
• structure,
• catastrophe,
• information,
• quantity,
• concept,
• symbol,
• research,
• hardware,
• system,
• feature,
• occurrence,
• cycle,
• happening,
• subject,
• data,
• equipment,