Cara dan Biaya Wisata ke Luar Angkasa
Richard Galnson, pendiri Virgin Galactic, berencana meluncurkan perjalanan ruang angkasa komersial pada 2022. Diperkirakan terbang hingga 400…
Space Travel
Spaceflight is ballistic flight into or through outer space. Spaceflight can occur with spacecraft with or without humans on board. Yuri Gagarin of the Soviet Union was the first human to conduct a spaceflight