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Episode 579: Q&A 103: How Many Stars Have Zero Planets? And More...
In this week's questions show, I explain why we'll never know which stars have no planets. How we could prevent a catastrophe to Earth, and why aliens might still be a threat to us.
Check out more of Dustin Gibson's photographs at:
https://www.instagram.com/gibsonpics/
00:48 How many stars don't have planets?
02:29 Could we prevent a catastrophe?
05:16 No aliens would be a threat to us
07:38 Can I have any name for Patreon?
08:20 Why not put a laser on the solar sail spacecraft
09:40 How can neutrinos go faster than light?
10:45 How do you calculate exposure times for Hubble?
14:32 What would cause stars to collide
17:19 Why don't we track asteroids?
18:55 How do magnetars form?
20:36 How could we destroy the planet?
22:45 Can a brown dwarf become a star?
Want to be part of the questions show? Ask a short question on any video on my channel. I gather a bunch up each week, and answer them here.
Our Book is out!
https://www.amazon.com/Universe-Today-Ultimate-Viewing-Cosmos/dp/1624145442/
Audio Podcast version:
ITunes: https://itunes.apple.com/us/podcast/universe-today-guide-to-space-audio/id794058155?mt=2
RSS: https://www.universetoday.com/audio
What Fraser's Watching Playlist:
https://www.youtube.com/playlist?list=PLbJ42wpShvmkjd428BcHcCEVWOjv7cJ1G
Weekly email newsletter:
https://www.universetoday.com/newsletter
Weekly Space Hangout:
https://www.youtube.com/channel/UC0-KklSGlCiJDwOPdR2EUcg/
Astronomy Cast:
https://www.youtube.com/channel/UCUHI67dh9jEO2rvK--MdCSg
Support us at: https://www.patreon.com/universetoday
More stories at: https://www.universetoday.com/
Twitch: https://twitch.tv/fcain
Follow us on Twitter: @universetoday
Like us on Facebook: https://www.facebook.com/universetoday
Instagram - https://instagram.com/universetoday
Team: Fraser Cain - @fcain / [email protected]
Karla Thompson - @karlaii / https://www.youtube.com/channel/UCEItkORQYd4Wf0TpgYI_1fw
Chad Weber - [email protected]
Support Universe Today Podcast
View all episodes
By Fraser Cain
4.7
518518 ratings
In this week's questions show, I explain why we'll never know which stars have no planets. How we could prevent a catastrophe to Earth, and why aliens might still be a threat to us.
Check out more of Dustin Gibson's photographs at:
https://www.instagram.com/gibsonpics/
00:48 How many stars don't have planets?
02:29 Could we prevent a catastrophe?
05:16 No aliens would be a threat to us
07:38 Can I have any name for Patreon?
08:20 Why not put a laser on the solar sail spacecraft
09:40 How can neutrinos go faster than light?
10:45 How do you calculate exposure times for Hubble?
14:32 What would cause stars to collide
17:19 Why don't we track asteroids?
18:55 How do magnetars form?
20:36 How could we destroy the planet?
22:45 Can a brown dwarf become a star?
Want to be part of the questions show? Ask a short question on any video on my channel. I gather a bunch up each week, and answer them here.
Our Book is out!
https://www.amazon.com/Universe-Today-Ultimate-Viewing-Cosmos/dp/1624145442/
Audio Podcast version:
ITunes: https://itunes.apple.com/us/podcast/universe-today-guide-to-space-audio/id794058155?mt=2
RSS: https://www.universetoday.com/audio
What Fraser's Watching Playlist:
https://www.youtube.com/playlist?list=PLbJ42wpShvmkjd428BcHcCEVWOjv7cJ1G
Weekly email newsletter:
https://www.universetoday.com/newsletter
Weekly Space Hangout:
https://www.youtube.com/channel/UC0-KklSGlCiJDwOPdR2EUcg/
Astronomy Cast:
https://www.youtube.com/channel/UCUHI67dh9jEO2rvK--MdCSg
Support us at: https://www.patreon.com/universetoday
More stories at: https://www.universetoday.com/
Twitch: https://twitch.tv/fcain
Follow us on Twitter: @universetoday
Like us on Facebook: https://www.facebook.com/universetoday
Instagram - https://instagram.com/universetoday
Team: Fraser Cain - @fcain / [email protected]
Karla Thompson - @karlaii / https://www.youtube.com/channel/UCEItkORQYd4Wf0TpgYI_1fw
Chad Weber - [email protected]
Support Universe Today Podcast
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