What does Aurea mean?
Latin feminine name directly from the adjective 'aurea' / 'aureus' ('golden'), from 'aurum' (gold). Also carried a broader sense of 'excellent'. Borne by early saints.
What does Astra mean?
From Latin 'astra', the plural of 'astrum' ('star'), itself from Greek 'astron'. It evokes the phrase 'ad astra' ('to the stars').