By now, I would say that we are about 95% certain, but the bet has yet to be settled. — Stephen Hawking, A Brief History of Time (1988) In the updated and expanded edition of A Brief History of Time, Hawking states, "Although the situation with Cygnus X-1 has not changed much since we made the bet in 1975, there is now so much other observational evidence in favour of black holes that I have conceded the bet.
Kami sekarang yakin 95%, tetapi taruhan ini belum berakhir. — Stephen Hawking, A Brief History of Time (1988) Dalam versi A Brief History of Time yang sudah diperbarui, Hawking menyatakan bahwa, "Meski persoalan Cygnus X-1 belum banyak berubah sejak kami bertaruh tahun 1975, saat ini sudah berlimpah bukti pengamatan yang membuktikan keberadaan lubang hitam sehingga aku pun harus mengaku kalah.WikiMatrix WikiMatrix