A D/H ratio consistent with Earth’s water in Halley-type comet 12P from ALMA HDO mapping

Martin Cordiner, E. L. Gibb, Zbigniew Kisiel, Nathan X. Roth, N. Biver, D. Bockelée–Morvan, J. Boissier, B. P. Bonev, S. B. Charnley, I. M. Coulson, J. Crovisier, M. N. Drozdovskaya, K. Furuya, M. Jin, Yi‐Jehng Kuan, Manuela Lippi, D. C. Lis, Stefanie N. Milam, C. Opitom, Chunhua Qi, Anthony J. Remijan