Name: Messaging The Aliens, Moving the Earth, Shapes of Coronagraphs | Q&A 258 | Videos | Gan Jing World
Uploaded: 2024-05-08T15:57:51.863Z
Duration: 38 min 59 s
Description: How can we let aliens know we're here? What does a lunar eclipse look like as seen from the Moon? Can we record a supernova in real time? Why aren't coronagraph... | Videos | Gan Jing World

Fraser Cain

https://video3-us-east.cloudokyo.cloud/video/v9/cf/63/cf/cf63cfb8-ed09-4c84-a08f-5fb2e0540de8/master.m3u8

How can we let aliens know we're here? What does a lunar eclipse look like as seen from the Moon? Can we record a supernova in real time? Why aren't coronagraphs just circles? Answering all these questions and more in this week's Q&A show.

Ian Lauer
https://youtube.com/@ianlauerastro

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00:00 Start
00:37 [Andoria] Can we signal to aliens with green glass? 
06:39 [Vulcan] Lunar eclipse seen from the Moon
11:24 [Risa] Can we record a supernova appearing in real-time? 
16:05 [Aeturen] Why aren't coronagraphs just circles? 
20:53 [Vendikar] How do astronomers determine distances to other galaxies?
25:02 [Remus] Who was my favourite interview? 
28:01 [Janus] How do astronomers determine the age of stars? 
31:11 [Cait] Can we move Earth by the time the Sun will die? 
34:31 [Betazed] Why does the Moon look bigger and yellow sometimes? 

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