GeminiFocus July 2019 | Page 2

1 Director’s Message Jennifer Lotz 4 Neptune’s Moon Triton Fosters Rare Icy Union Jennifer Hanley 8 Science Highlights John Blakeslee 14 The Legend of Zorro Begins Ricardo Salinas and Steve B. Howell 17 On the Horizon Gemini staff contributions 20 News for Users Gemini staff contributions ON THE COVER: On July 2, 2019, a total solar eclipse swept over parts of central Chile and immersed the Gemini South telescope in darkness for over two minutes. Gemini Public Information Officer Manager Peter Michaud was there to capture the eclipse sequence shown here with the Gemini South dome. Gemini South's Manuel Paredes compiled the images to make this composite for the issue's cover. Credit: Gemini Observatory/AURA/Peter Michaud/Manuel Paredes GeminiFocus July 2019 GeminiFocus is a quarterly publication of the Gemini Observatory 670 N. A‘ohoku Place Hilo, Hawai‘i 96720, USA Phone: (808) 974-2500 / Fax: (808) 974-2589 Online viewing address: Editor: Peter Michaud Associate Editor: Stephen James O’Meara Designer: Eve Furchgott/Blue Heron Multimedia Any opinions, findings, and conclusions or recommendations expressed in this publication are those of the author(s) and do not necessarily reflect the views of the National Science Foundation or the Gemini Partnership. ii GeminiFocus July 2019