Modifiers matching catastrophe:

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

Simple categories matching astronomical:

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