[Q&A] Gravity Assist Speed Limit, Double Gravitational Lenses, Phones in Space
What's the maximum speed you can get from a gravity assist? Can we have a double gravitational lens? What do you need to do to a phone to sent it to space? Answering all these questions and more in this week's Q&A show.
🦄 Support us on Patreon:
https://patreon.com/universetoday
📚 Suggest books in the book club:
https://www.goodreads.com/group/show/1198440-universe-today-book-club
00:00 Start
00:25 [Alaris] Can phones survive in space?
06:10 [Ardena] Asteroid vs meteorite
07:27 [Asuria] What happened to Orion, Meade, and Coronado telescope companies?
09:51 [Belote] Can we learn something about a supernova that the Sun was created from?
13:35 [Belsa] Can there be double gravitational lenses?
15:16 [Cartego] Favourite thing to observe visually?
17:41 [Chulak] Can we make a 2 AU interferometer?
21:21 [Dakara] Why are black holes different in size and mass?
24:20 [Edora] What does Starliner's return mean?
27:31 [Goronak] Thoughts on Starlink polluting the sky?
32:34 [Hadante] Are public funds on space wasteful?
36:30 [Hebridan] Can NASA vs China space race boost exploration?
40:11 [Jenev] What is the speed limit that can be achieved by sling-shot around planets?
📺 VIDEO VERSION
https://youtu.be/hSrp6VHjHbo
📰 EMAIL NEWSLETTER
Read by 60,000 people every Friday. Written by Fraser. No ads.
Subscribe. It's FREE: https://universetoday.com/newsletter
🎧 PODCASTS
Universe Today: https://universetoday.fireside.fm/
Astronomy Cast: http://www.astronomycast.com/
🤳 OTHER SOCIAL MEDIA
Twitter: https://twitter.com/fcain
Twitter: https://twitter.com/universetoday
Facebook: https://facebook.com/universetoday
Instagram: https://instagram.com/universetoday
📩 CONTACT FRASER
[email protected]
⚖️ LICENSE
Creative Commons Attribution 4.0 International (CC BY 4.0)