James Webb Telescope Explained by NASA’s Chief Scientist Dr. Jim Green

The James Webb Space Telescope is set to launch no earlier than December 24th, 2021. Dr. Jim Green, Chief Scientist for NASA, details what steps will be taken for the JWST to launch and for it to undertake its first missions.

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00:00:00 Intro
00:00:41 Bio
00:02:10 James Webb Space Telescope launch date
00:03:04 Life time of JWST
00:04:38 Will the JWST turn into a light sail?
00:09:10 When will JWST be fully operational?
00:13:45 JWST looking at solar system objects
00:15:40 The origins of Galaxies
00:18:45 Dark Matter
00:20:00 Process of unfolding the JWST
00:21:21 Is the JWST the most well tested spacecraft?

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#jameswebbtelescope #jwst

[EventHorizonShow]

Are you worried about the launch of the James Webb Space Telescope?

[FairyWeatherMan]

This wonderful piece of engineering is like a middle ages cathedral: it takes ages to build it and you are sure everything is ok only after the whole building is over. But when it is finished its beauty will dazzle people for generations! Let's keep our finger crossed for Xmas Eve launch!!

[brucedewitt]

John: "It's so exciting that this long-anticipated spacecraft is finally about to be launched!! So.... when is it going to stop working...?"

[beesod]

I'll sleep fine over the rockets part in webs launch, but that unfolding and coming to life is just nerve racking! superb show as always JMG!

[lesktube]

The James Webb Space Telescope could go down as one of the greatest accomplishments in human history. I am so excited and hopeful.

[monsG]

Thanks John! Don’t know if it was edited or not but thank god we didn’t get another what is an L2 explanation. I really enjoy the in depth discussion on the channel and not just repeating the basics like every other science communication channel.

[TheGunmanChannel]

I can't wait for it to find an intergalactic empire.

[MrAldurVale]

It's an incredible thing to consider such a relatively small machine as a true megaproject but this one really counts.

I cannot wait for JWST to go live and data to start pouring in! I hope it survives the journey and works as we hope it does!

[Deeveeaar]

I cant wait to see the images this thing will take, and how many things it will discover!

[JimGobetz]

Can't give that enough likes! Great stuff, hoping so much that all goes well for JWST and all the folks who put it together and all the folks who will do the incredible science we can only imagine.

[bdazzler]

Not sure what he is like in real life, but Jim Greens enthusiasm very much comes across when he speaks, particularly when asked a question about a topic he is keen on!

[kskaiseraaron]

Finally! I've been anxiously waiting all day refreshing youtube repeatedly for the last 10 minutes.

I'm absolutely super nervous the launch will fail... so much anticipation with all the knowledge we will gain.

And I really want them to send Astronauts to extend its life. What a challenge and worthy adventure that would be

[Hrdtyl]

Dr Jim Green's list of achievements is so impressive. Seriously. Talk about an accomplished life. Nothing but respect.

[tomcrouchman]

Can't believe that at 10 billion dollars they did not make it so it could be refueled by a starship or something in 10 years.

[asdf]

Dr Jim Green is one of my all time favourite guests to the Event Horizon show. This is his third visit now? Welcome back anytime!!

[forloop]

I like the footage he always puts on during the talk

[markjgaletti]

quarter of my life has passed waiting and here go Godspeed JWST the world will be waiting for your first light

[Mermaider]

Super!

My brother was complaining about how it has been years and years since we heard anything new about JW, I hope this episode talks about things we haven't known for years.

[eukrazia]

thanks so much ^^ now time to fall asleep listening to it :D

[steverafferty]

Thank you for this video John. I’m so excited to see what JWST discovers over the next few years.