@dr.topazEngineers have a wild idea for a 36-mile-long spacecraft called Chrysalis that could carry 2400 people to Alpha Centauri, 4 light-years away. The one-way trip would take 400 years, and everyone on board would never see Earth again,not even their kids or grandkids
ดูโพสต์ต้นฉบับ


















ยังไม่มีความคิดเห็น มาเป็นคนแรกกันเถอะ!