![[Q&A] Showstopper for Mars Missions, Vera Rubin vs Aliens, Space Whales](https://s3.castbox.fm/d5/e5/14/be8472ca8d6417c412f0963e4962d4d192_scaled_v1_400.jpg "[Q&A] Showstopper for Mars Missions, Vera Rubin vs Aliens, Space Whales")
[Q&A] Showstopper for Mars Missions, Vera Rubin vs Aliens, Space Whales
Update: 2025-09-04
Description
Which is a bigger showstopper for a human Mars mission: food or radiation exposure? Does Vera Rubin leave any chance for aliens to still sneak upon us? Can something like space whales actually exist? And in Q&A+, when can we find out what dark matter and dark energy actually are?
🦄 Support us on Patreon:
https://patreon.com/universetoday
- 00:00 Start
- 00:31 [Kasie Ream] Which is the bigger showstopper for Mars: food or radiation?
- 02:29 [Richard Vanasse] Does Vera Rubin make it impossible for an alien fleet to sneak up on Earth?
- 02:54 [ventsyv] One question to ask aliens
- 03:24 [Terminally Offline] How can I get into a career in a planetarium?
- 05:56 [Steve Kennedy] What is the difference between a Kilonova and a Type 1a Supernova?
- 06:12 [teknophyle] Should we quickly become a two planet species?
- 08:14 [Michael D] How do I feel about the possibility of "space whales" type aliens?
- 09:51 [Bobby 2112] How does artificial gravity work on various scifi spaceships?
- 12:34 [shootZ234] Interesting facts about black holes
- 12:55 [paul wilson] How bright will the Betelgeuse explosion be?
đź“ş VIDEO VERSION
https://youtu.be/MxowG6xhdX4
đź“° GUIDE TO SPACE Newsletter
No ads. Subscribe for FREE: https://universetoday.com/newsletter
🎧 PODCASTS
Universe Today: https://universetoday.fireside.fm/
Astronomy Cast: http://www.astronomycast.com/
đź“© CONTACT FRASER
frasercain@gmail.com
⚖️ LICENSE
Creative Commons Attribution 4.0 International (CC BY 4.0)
CommentsÂ
In Channel
![[Q&A+] Power from a Black Hole, My Meteorite, Oort Cloud Attachment | Q&A 360](https://s3.castbox.fm/a2/2d/33/00f41b91bc29e57f6f37c37b229ccad759_scaled_v1_400.jpg "[Q&A+] Power from a Black Hole, My Meteorite, Oort Cloud Attachment | Q&A 360")
![[Space Bites+] Artemis II Launching Soon // 3I/ATLAS YouTube Disaster // Milky Way Wave](https://s3.castbox.fm/b2/1a/e9/8aeda932e60fbcc5c98e8643fae108dfc0_scaled_v1_400.jpg "[Space Bites+] Artemis II Launching Soon // 3I/ATLAS YouTube Disaster // Milky Way Wave")
![[Q&A+] Possible Life Under Europa's Ice, Pilotless Alien Spaceships, Hawking Radiation Explained | Q&A 359](https://s3.castbox.fm/5b/f6/35/a2642792d9943a0176bfff00bf58133cd1_scaled_v1_400.jpg "[Q&A+] Possible Life Under Europa's Ice, Pilotless Alien Spaceships, Hawking Radiation Explained | Q&A 359")
![[Q&A+] The Next Interstellar Project, Black Hole Planets, Combining Stars into a Megastar | Q&A 358](https://s3.castbox.fm/cd/22/13/a2fce26f9b7297993fe7e82fadb0698bbc_scaled_v1_400.jpg "[Q&A+] The Next Interstellar Project, Black Hole Planets, Combining Stars into a Megastar | Q&A 358")
![[Interview+] This Crazy Pizza Slice Shaped Telescope Obliterates JWST Resolution](https://s3.castbox.fm/36/78/9c/0f78172675c786f31a0af68895a76426ad_scaled_v1_400.jpg "[Interview+] This Crazy Pizza Slice Shaped Telescope Obliterates JWST Resolution")
![[Space Bites+] Destroying Asteroid YR4 // Bummer for Hycean Worlds // Water on Ryugu](https://s3.castbox.fm/c6/3d/c8/ce6c120d26580cdfbbd8623bb86383b02d_scaled_v1_400.jpg "[Space Bites+] Destroying Asteroid YR4 // Bummer for Hycean Worlds // Water on Ryugu")
![[Q&A] Landing on Venus, Neutron Stars Going Boom, Shape of the Oort Cloud](https://s3.castbox.fm/00/f1/89/0288999595acf29db82bfc720f5356662f_scaled_v1_400.jpg "[Q&A] Landing on Venus, Neutron Stars Going Boom, Shape of the Oort Cloud")
Download from Google Play
Download from App Store
United States00:00
00:00
x
