New Space Race, Dyson Spheres in Cosmic Voids, Protection from Solar Storms | Q&A 238

Can dark energy be just empty space and nothing else? Is there a new space race going on? Why is NASA so slow with its Moon plans? Is there an upper limit for a star? Answering all these questions and more in this week's Q&A. 🦄 Support us on Patreon: patreon.com/universetoday 00:00 Start 01:07 [Andoria] Is dark energy just empty space? 06:29 [Vulcan] Canadian accent 08:48 [Risa] What if a nebula collapsed back on its central neutron star? 12:11 [Aeturen] Why not use a satellite on a cycler orbit for high-bandwidth data transfer? 16:25 [Vendikar] Is a new space race on? 21:20 [Remus] How can NASA be so slow? 23:57 [Janus] Can space voids actually be Dyson spheres? 26:25 [Cait] What's the upper limit of star mass? 28:42 [Betazed] How can we protect against solar flares? 32:14 [Cheleb] Controversial topics among science discoveries 36:46 [Nimbus] What is the latest news about life on Europa? 📰 EMAIL NEWSLETTER Read by 60,000 people every Friday. Written by Fraser. No ads. Subscribe for FREE: universetoday.com/newsletter 🎧 PODCASTS Universe Today: universetoday.fireside.fm/ Astronomy Cast: www.astronomycast.com/ 🤳 OTHER SOCIAL MEDIA Mastodon: astrodon.social/@fcain Twitter: twitter.com/fcain Twitter: twitter.com/universetoday Facebook: facebook.com/universetoday Instagram: instagram.com/universetoday 📩 CONTACT FRASER [email protected] ⚖️ LICENSE Creative Commons Attribution 4.0 International (CC BY 4.0) You are free to use my work for any purpose you like, just mention me as the source and link back to this v

• #
• #universe_today
• #fraser_cain
• #space
• #astronomy
• #dark_energy
• #neutron_stars