Manuel Peimbert Manuel Peimbert Manuel Peimbert Sierra (born June 9, 1941) is a Mexican astronomer and a faculty member at the National Autonomous University of Mexico (UNAM). After earning an undergraduate physics degree from UNAM, Peimbert completed a doctorate at the University of California, Berkeley before returning to UNAM as a faculty member. He works at the UNAM Institute of Astronomy. Peimbert was elected a foreign associate of the National Academy of Sciences in 1987. He was inducted into the Colegio Nacional in Mexico in 1993. He received the Hans Bethe Prize from the American Physical Society in 2012. Peimbert and his
Apertura 2018 Liga MX championship stage the long tournament era from 1943–44 to 1995–96)." <section begin=Bracket/> <section end=Bracket/> <section begin=Quarterfinals /> "All times are " "Cruz Azul won 3–1 on aggregate" "Monterrey won 3–0 on aggregate" "UNAM won 4–3 on aggregate" "América won 5–4 on aggregate" <section begin=Semifinals/> "All times are " "1–1 on aggregate and tied on away goals. Cruz Azul advanced for being the higher seed in the classification table." "América won 7–2 on aggregate <section begin=Finals/> "América won 2–0 on aggregate" Apertura 2018 Liga MX championship stage The Apertura 2018 Liga MX championship stage commonly known as Liguilla (mini league) was being played