The NightLife this week celebrates Yuri Gagarin, the first human in space. Watch a presentation from renowned astronomer Dr. Jill Tarter & planetary scientist Dr. Franck Marchis. Learn what it takes for astronomers to study supermassive black holes. Groove to live DJ set by Space Cowboys & experience the scale of Solar System & walk among the planets using augmented reality. Arrive 20 mins prior to Planetarium Showtime, since seating is limited (first-come, first-served basis). Food & drinks will be on sale from 6pm to 9:30pm. Ticket can be purchased from Cali Academy for Sciences, just for $12. For details, visit: http://www.calacademy.org/nightlife/yuris-nightlife