This sentiment was echoed by Morris Travers, with whom Ramsay co-discovered the four noble gases—neon, argon, krypton, and ...

For all their nobility, elements of group 18 have lived ... concluded an intense period of research on noble gases. Much heavier than neon and krypton, it had not been explicitly predicted ...

Goncharov, McWilliams, and the rest of the team's work on noble gases could ... in hydrogen. But neon behaved differently in the laboratory conditions mimicking the two gas giants.