https://www.universetoday.com/135187/join-fraser-friends-cosmos-marathon-monday/
In 1976, two Viking spacecraft landed on Mars. The image is of a model of the Viking lander, along with astronomer and pioneering astrobiologist Carl Sagan. Each lander was equipped with life detection experiments designed to detect life based on its metabolic activities. Credits: NASA/Jet Propulsion Laboratory, Caltech
Carl Edward Sagan
https://zh.wikipedia.org/wiki/%E5%8D%A1%E5%B0%94%C2%B7%E8%90%A8%E6%A0%B9研究天文生物學的先驅，也是搜尋地外智慧生物項目（SETI）的創始人之一。
他因為撰寫了多部優秀的科普圖書及電視系列片宇宙而享譽全球。 1980年的電視系列節目《宇宙：個人遊記》在60多個國家有超過6億人觀看，
是PBS歷史上最受歡迎的節目之一
COSMOS Marathon - Live Commentary with Astronomers, Science Journalists
April 24th at 12:00 pm PST to join the livestream.
=>
https://www.twitch.tv/fcain
觀星論壇 
