How old is the Universe?

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VIDEO ANNOTATIONS/CARDS

Cosmology Playlist:

Does The Future Exist?

Is Math the Language of the Universe?

How does my GPS work?
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LINKS TO COMMENTS

Universe Age - Dave S:

Gravity and Mass - Sonny Thompson:

Heat Death - Jason Walker:

Featured Comments:
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IMAGE CREDITS

Messier 9:

[stevemonkey]

"it's just how far back our knowledge of the Universe goes" - thank you for saying that, you are the first person I have heard to say that instead of the universe is x amount of years old.

[RamKumar-toip]

"13.8 bil years is the time back till which our current knowledge can go"
Nice and exact statement lucid.. awesome work

[Shouttz]

I love how the "nerdy" version of yourself also works to prevent people from being pedantic in the comments hahaha

There's always the smarty ones that just overcomplicate stuff by being way too picky about details

I'm pretty sure you do it on purpose too, but I won't tell anyone! Love your stuff!

[slartbarg]

as an engineering student halfway through my curriculum, that simple diagram of the stress energy tensor colored like that just made tensors click for me, so thanks!

[gurumage]

*Astronomical* video quality as usual.

[TactileTherapy]

This channel has been beyond instrumental in helping me develop my first novel. Thank you and keep making more

[garetclaborn]

Best explanation I've seen of the big bang model, you rarely see people being honest about the fuzzier parts for some reason

[usmcfutball]

I will avoid the math you 'kind of glazed over' but do wish to thank, thank, thank you for all of your excellent work. Specifically that whole "data vs. results" subplot was HILARIOUS in this episode. 10 out of 10!

[mukilans]

Really love the way how you bring up all the problems in a calculations and put up the answers for it that's what makes u the best

[Mr]

I was sceptical when I first came across this channel, but now I really appreciate the content for what it is - science and simple explanations. I guess I'm a little crazy now...

[SolveEtCoagula]

I love it when assumptions and ideas that I’ve held for decades are blown away - and, once again you have succeeded to do so! Awesome!

[lydiaderesse]

Just found your channel. Why doesn’t this have more views? More subs? Incredible stuff!!

[ayushsharma]

This is the first time I am on your channel and I absolutely love your content right away! :)

[nachannachle]

Great overview. It's always nice to have the details and methods behind the "results" we learn. :)

[mukulsharma]

This video, by itself, deserved an award. You're the best, those who dont know about this channel are missing out on so much. Thanks for answering the biggest query I had eversince I started pondering about astronomy. Thanks a lot sir.

[Lucky]

"Gravity isn't about mass, it's about energy."
Thanks for this. Why can't textbooks just come out and say this? It'd clear up a lot of confusion about photons being massless.

[cridr]

I appreciate the information you provide, hard to believe, but this kind of information and the way it is explained are not found on other channels. I shake your hand, with respect ! I will share links to your videos everywhere I can, hopefully this will increase the subscribers (1M+) and help you deliver great content like this for as long as possible.

[hamza-fisv]

Good to see your video again .. Its hard to wait for your videos ..please make more more more..Thanks BTW

[AUBREYTHOMAS]

Hi Nick. Absolutely love your videos. You are incredible at making very complex subjects understandable to the layman. Been watching through them now from your first to whatever the latest is. Thanks 😊

[adityadhardwivedi]

you're fabulous in explaining even the most difficult thing in cosmology.