In 2015 , Stephen Hawking offered Richard Branson a seat on the Virgin Galactic spaceship for free . In 2015 , Stephen Hawking offered Richard Branson a seat free of charge on the Virgin Galactic spaceship .
Pada tahun 2015, Stephen Hawking menawarkan Richard Branson tempat duduk di kapal angkasa Virgin Galactic secara percuma. Pada tahun 2015, Stephen Hawking menawarkan Richard Branson kerusi percuma di kapal angkasa Virgin Galactic.