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---+ June 14, 2021 7:30-9:30PM *Event*: [[AstronomyOnTap][Astronomy on Tap]]<br> ---+++ Talk 1 *Title*: 引�›波:来自宇宙深处的声音 <br> *Lecturer*: Yanbei Chen<br> *Position*: Faculty<br> *Institution*: Caltech<br> ---+++ Talk 2 *Title*: 寻找被黑洞撕碎的恒星 <br> *Lecturer*: Yuhan Yao<br> *Position*: PhD Candidate<br> *Institution*: Caltech<br> ---+++ Quiz Questions / Answers 1. 左边�›�片显示的是什么天体?高速运动并向外�›射星风的恒星 1. 30倍太阳质量黑洞的“半径“大概有多大?史瓦西半径 = 90千米 1. 以�‹哪�›元素是主要在超新星爆炸时合成的? 铁、锰 1. 以�‹哪�›地区可以�‹到天宫号空间站过境?�›杉矶、北京、台北 1. 太阳中心产生的光子大概需要可以到达太阳表面? 一万年 1. 欧洲和中�›�都计划发射空间引�›波探�‹器。空间和地面引�›波探�‹器有什么不同? 1. 什么波段最适合观�‹银河系中心? 红外成像可以研究银河系中心附近的恒星运动 1. 祝融号火星车的巡航速度大概是多少呢? 40m/h 1. 黑洞碰撞释放的引�›波携带巨大能量。这�›能量来自于哪里?黑洞质量 1. 那个科学组织在上个月底公布了迄今为止最详细的暗物质分布�›�?暗能量巡天 (DES) <br> <br> <img src="%ATTACHURLPATH%/20210614.jpg" alt="20210614.jpg" width="768" height="432" />
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