AskScience AMA Series: I'm Astronaut Terry Virts: An Insider who can tell you about leaving planet earth! Ask me anything! |
- AskScience AMA Series: I'm Astronaut Terry Virts: An Insider who can tell you about leaving planet earth! Ask me anything!
- How can a COVID-19 vaccine be ready in less time than it takes for the trials to be completed?
- Is alcohol equally efficient in killing all types of viruses?
- Does superconductivity occur naturally anywhere in the universe?
- Anybody who's knowledegeable about the African Swine Fever?
- How do fevers kill a human?
- How much electrical charge is required to make a difference in the weight of a battery?
- Why do lightnings form over erupting volcanoes?
- If the universe is always expanding, is it infinite? Was it always expanding or did it start at some point? Is it always expanding at the same speed? Will it always be expanding?
- Would a attempt to land people on mars using today’s technology be more dangerous then the first moon landing ?
- Why are asymptomatic covid cases getting tested in the first place ?
| Posted: 15 Oct 2020 04:00 AM PDT Hi Reddit, I'm Col. Terry Virts. I'm a former astronaut who commanded the International Space Station from 2014-2015. I also spent two weeks piloting the Space Shuttle Endeavour in 2010. During my time in space, I took more than 300,000 photos of earth, conducted hundreds of experiments, did everything from shooting an IMAX movie to replacing a crew mate's tooth filling! I also went on three spacewalks. I'm now a professional speaker, photographer, director, and author. My directorial debut documentary, One More Orbit, was released on VOD on Oct. 6 and my new book, How to Astronaut: An Insider's Guide to Leaving Planet Earth released on Sep. 15! From fighter jets to unwieldly space suits, space station cuisine, and an uncensored look at answering the call of nature in zero-g, HOW TO ASTRONAUT: An Insider's Guide To Leaving Planet Earth is a wildly entertaining collection of short essays that offers a primer for future space tourists with a sneak peek behind the curtain at the rules, lessons, procedures, and experiences of space travel. I will start at 2pm Eastern (18 UT), ask me anything! Username: /u/Astro-Terry [link] [comments]  |
| How can a COVID-19 vaccine be ready in less time than it takes for the trials to be completed? Posted: 14 Oct 2020 11:53 PM PDT I'm confused about this. I've seen some articles say that the trials for the covid vaccines are supposed to last for two years, but I also have been reading that a vaccine may be ready (if not widely available) within a few months. How can a vaccine be ready that soon if the trials are supposed to last longer? [link] [comments]  |
| Is alcohol equally efficient in killing all types of viruses? Posted: 15 Oct 2020 06:51 AM PDT Is any type of virus more resistant than the others to alcohol, even if still vulnerable? [link] [comments]  |
| Does superconductivity occur naturally anywhere in the universe? Posted: 14 Oct 2020 04:52 PM PDT My guess is that we don't have any concrete evidence of it occurring anywhere, but I'm curious if there are any likely candidates for where it might occur? For example, is there any chance that it could be influencing the magnetic field of certain types of planets? [link] [comments]  |
| Anybody who's knowledegeable about the African Swine Fever? Posted: 14 Oct 2020 07:45 PM PDT |
| Posted: 14 Oct 2020 11:31 AM PDT When the internal temperature of our bodies gets too high (>42°C), people can die from the heat, probably owing to enzymes not working at peak efficiency. My question is: which enzymes/cells/organs are so affected by the fever and how can it be lethal? [link] [comments]  |
| How much electrical charge is required to make a difference in the weight of a battery? Posted: 14 Oct 2020 03:31 PM PDT How much electrical charge, in terms of mAh or otherwise, is required to make a 1g or 1kg difference in a battery? I know electrons weigh something, albeit incredibly little, so how many electrons make a gram, and how much power will 1 gram of electrons produce? [link] [comments]  |
| Why do lightnings form over erupting volcanoes? Posted: 14 Oct 2020 01:40 PM PDT Basically that. Every time I see a picture or video of an erupting volcano, there's a thunderstorm or lightnings over it. [link] [comments]  |
| Posted: 14 Oct 2020 04:19 PM PDT |
| Posted: 14 Oct 2020 11:11 AM PDT I know there's probably a ton of factors going into this question , as uneducated as I am on the topic I can understand that travel and landing on mars is no easy feat .but I'd be happy with an educated guess. Mars seems really difficult but Apollo 11 had its own share of close calls so idk. What's a realistic guess at the rate of failure edit the first missions going to look like if we push through as fast as possible with it. [link] [comments]  |
| Why are asymptomatic covid cases getting tested in the first place ? Posted: 14 Oct 2020 03:52 PM PDT If they have no symptoms why are they getting a covid test? according to google 80% of infections are mild or asymptomatic . [link] [comments]  |
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