"It is actually challenging how you measure [Mach] from space."
Science Ars Technica Jun 8, 2026
Artemis II crew flew fast, earned new patch: Astronauts' Mach 39 emblem
"It is actually challenging how you measure [Mach] from space."
"It is actually challenging how you measure [Mach] from space."
"It is actually challenging how you measure [Mach] from space."
Science Ars Technica Jun 8, 2026