Q&A 57: Is The Fermi Paradox Really a Paradox? And More...
In this week's questions show, the viewers try to suggest names for balloon rockets. Could live from Venus escaped to Earth? Is the Fermi Paradox really a paradox when we've only explored a little bit of the galaxy? And More
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Team: Fraser Cain - @fcain / [email protected]
Karla Thompson - @karlaii / https://www.youtube.com/channel/UCEItkORQYd4Wf0TpgYI_1fw
Chad Weber - [email protected]
Chloe Cain - Instagram: @chloegwen2001
Omar Ismail
Hi Fraiser. Do you think its possible for intelligent life to have started out on venus when the sun was cooler and it had liquid water and as it heated up been forced to move to earth as the runaway greenhouse effect took hold and theres no remnants of it coz of the pressure and heat?
YX Yang
Come on, you can’t just call it a paradox when you only examined 0.000017% of the galaxy.
Jim Becker
Fraser: I just read your article in Universe Today titled "Breathing lunar dust could give astronauts bronchitis and even lung cancer" and would like to know if those same conditions could cause problems for astronauts that go to Mars ?
Rudi von Staden
Why not have caesar dock with ISS to return the sample? Seems having the sample packaged in a separate reentry vehicle is both risky and expensive. Or would the physics of matching the velocities of caesar and the ISS be too complicated?
Michael Arsenault
Can we grab asteroids and bring them back to earth for a controlled entry to a desert somewhere? Or is this too dangerous due to contamination of the atmosphere?
Roxane Urmanski
I really love your Q&A episodes; I learn all sorts of things I've never thought of. Anyways, of all the videos I've seen about humans living on Mars, I don't think it's ever been mentioned that they need some sort of plan for the moons. What will happen when Diemos leaves and Phobos smashes into Mars?
eric thatcher
Hi Fraser,
Great vids as usual. If we wanted to terraform Venues using an asteroid to create a global winter how big would it need to be. Also might need to speed up it rotation to create an earth like environment.
White Dinosaur
Why not launch from a high mountain ?
ozdergecko
Yesterday (!) Greg&Mitch (ASAPscience) gave the actual estimated numbers on incoming and outgoing matter. It's 40,000 metric tons in and 95,000 out.
Twirlip Of The Mists
I don't get the interest in lava tubes. More work and more exotic technology are needed than just digging a trench, dropping a hab into the trench, and covering the trench. Even a gigantic trench is easier. Safer, too.
Lava tubes will make good short term (weeks, months) campsites for explorers who can't bring bulldozers. Better to build permanent sites from scratch.
Star Butterfly
How far does gravity reach? Am i correct to believe it's infinite?
Say we had an empty non moving universe. If we were to place two galaxies say 20 billion light years apart with no motion in relation to one another would they eventually over billions or trillions of years drift closer together?
Casey Chapman
Finally... It’s good to hear someone else state what I’ve been saying for years! Why spend all the effort climbing out of your home gravity well, just to throw yourself into another, probably less hospitable one?!? You want humanity to spread out, start mass production of O’Neil cylinders with material mind from the moon and asteroids. I figure that that’ll give us a better backup than planting bucketloads of people on Mars.
Go to Mars, to explore and search for signs of past or present life, but do it from orbit using telepresence. Hell, build a giant spacecraft with a rotating section, a NIRVA or VASIMR engine and a few hundred scientists aboard to explore the entire solar system... it’s five year mission to seek out new life and new civi... (ummm comets?) to boldly go were on one has gone before! (Except a few robotic missions of course!)
Sorry... geek moment.