Regardless, even 300,000 years are just a slip in the grand scheme of the universe and they represent only a very small percentage of the time that Venus has been around (that's roughly 4.5 billion years).
Akunandaba, noma yiminyaka engama-300,000 iyisilayidi nje ohlelweni olukhulu lwendawo yonke futhi imelela iphesenti elincane kakhulu lesikhathi uVenus abekhona (cishe iminyaka eyizigidigidi ezi-4.5).