New Observations of Solar Wind 1/f Turbulence Spectrum from Parker Solar Probe - Huang, Z; Sioulas, N; Shi, C; Velli, M; Bowen, T; Davis, N; Chandran, BDG; Matteini, L; Kang, N; Shi, X; Huang, J; Bale, SD; et al. (ASTROPHYSICAL JOURNAL LETTERS, 2023)