Where Does Space Really Start?

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Published 2017-08-29

We live in Earth's atmosphere, but how much do we actually know about it? Where does space start? What are the differences of the atmospheric layers? This video answers these questions, and breaks down the different layers of Earth's atmosphere, including the troposphere, stratosphere, mesosphere, thermosphere and exosphere, and what makes each one significant.

I hope you enjoyed this video, it took me a very long time putting it together, from researching it to battling to make a 4K video with my old computer! But I'm pleased with how it turned out. If you enjoyed, please, like, share and subscribe, as it helps me to make more videos like these in the future.

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Image Credits:
NASA - Pics of space, diagrams
Kids Press Magazine - Diagrams
Melinda Burri - Photos of Switzerland
AvTur Cruising - Flight deck videos -    / @everydayairlinepilot
ESA - Space pics
HeyItsNeishy - Cooking eggs on concrete -    / @heyitsneishy
Red Bull - Felix Baumgartner jump -    • Felix Baumgartner's supersonic freefa...
Jason Hawkes - Drone footage of London -    • 4K London aerial filming. River Thame...
SpaceX - Rocket liftoff -    • Liftoff in UHD of SpaceX Falcon 9 on ...
Project PoSSUM - Noctilucent Clouds timelapse -    / @astronauticsinstitute
Richard Symonds - Virgin Balloons -    • Virgin Balloon Guildford 2014
The MET Office - Weather diagrams and videos - youtube.com/user/TheMetOffice

Music Credits:
Obscured - Mark LaFountain - soundcloud.com/mindveneration

All Comments (21)

@astrumspace 6 years ago

Hi subscribers, this is a reupload for a couple of reasons. Firstly, it was originally meant to be 4K but Youtube didn't render it at 4K quality, so I'm hoping with an increased bitrate it will work this time. Secondly, there were a couple of (minor) mistakes with the original which have now been rectified. I want this channel to be as high quality as possible so if there are some things I have done wrong I will always try to mend them and not to make similar mistakes in future! The original is still on the channel but is just unlisted for the time being. I will eventually take it down altogether. Thanks for the understanding!
@Jbm510 4 years ago

Alex, this is probably one of your best videos you have ever done! Beautiful, insightful, educational! I love it!
@Tomwesstein 5 years ago

“Where does space start?” Right after this lesson on how the global weather works Love your vid’s!
@rolfw2336 6 years ago

I didn't know the temperature varies so much in the different layers. Awesome presentation!
@Kie-7077 6 years ago

Where Does Space Start? Just after the alt-key.
@scsc7244 6 years ago

I plan on donating $50 this month. Your quality, presentation, oration, are all 9.5/10. Much respect from 🇨🇦 canada.
@paulcronin6191 3 years ago

Your videos are so thorough and amazing, always a pleasure to watch and learn from, keep up the great work!
@kjpmi 6 years ago

I just found your videos and I subscribed. Needless to say, I've found a new channel to add to my regular favorites. :) So very nicely researched and presented.
@blackmennewstyle 3 years ago

It's mind-blowing to think that the actual temperature could be 2000 degrees celsius but because of the lack of gas particles, it will feel like below 0 degrees celsius, it's fascinating...
@yugantharanwala7101 6 years ago

Clear presentation about Earth's atmosphere.
@AZK303 3 years ago

Thank you Alex for your videos. Clear, simple, truly educating and one of the calmest voices as commentary too. Truly great job. All the best.
@sanaahmed8464 5 years ago

Wow. Wow. Wow. Such a beautiful video, with ton of info. Thank you for creating such amazing content.
@eswing2153 5 years ago

Underrated channel. This is amazing....I suspect at least 60-100 hours on this one !!
@stephenfitzgerald8779 6 years ago

Thanks for another great video! Can't wait for the next one!
@wtficantgetausername 4 years ago

This was unbelievably comprehensive beyond expectation..and i have pretty high expectations..Thankful to have subscribed. Keep up the amazing work!!
@rajendramirji5830 6 years ago

Thank you for a wonderful video along with great explanation.
@chanel-5397 5 years ago

Hi Alex,I absolutely LOVE your channel,I always learn something new
@safarwisby8073 2 years ago

Wonderfully clear…to be listened to many times! Thank you so much!
@michaelparker8657 1 year ago

Alex, I think you are one of the outstanding presenters on YouTube. Thank you for what you do.
@matteocarta7678 6 years ago

I had already watched the video when you first uploaded it, and I have to admit that your channel has a pretty high quality video. Keep up the good work!