It's True: The Sun Really Does Flash Green

Рет қаралды 338,320

6 жыл бұрын

The mythical green flash at sunset isn't actually a myth! Stefan explains why it happens, and how you can see it.
Hosted by: Stefan Chin
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Sources:
aty.sdsu.edu/papers/Zenit/gla...
hyperphysics.phy-astr.gsu.edu/...
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aty.sdsu.edu/papers/JOSA/GF-v...
www.atoptics.co.uk/atoptics/gf...
Media:
commons.wikimedia.org/wiki/Fi...
commons.wikimedia.org/wiki/Fi...
commons.wikimedia.org/wiki/Fi...
commons.wikimedia.org/wiki/Fi...
www.istockphoto.com/photo/lig...
www.istockphoto.com/photo/rai...
www.istockphoto.com/photo/fat...
commons.wikimedia.org/wiki/Fi...
www.istockphoto.com/photo/a-f...
• Green Flash Sunset Mau...

Пікірлер: 369

@SciShow 6 жыл бұрын

This episode was re-uploaded to fix an accidental mislabeling of the troposphere. Thank you for alerting us when we've made an error! -Sarah Meismer (graphics)

@zoofan9280 6 жыл бұрын

SciShow you made me think my iPad broke lol

@leecrawford6560 6 жыл бұрын

SciShow this is really cool Thank you

@sanasohail1521 6 жыл бұрын

SciShow ohh I see 😊

@massimookissed1023 6 жыл бұрын

Sarah fixes the atmosphere. CO2 & Ozone are on the to-do list.

@TheReZisTLust 6 жыл бұрын

So sarah caught the error?

@BlankBrain 6 жыл бұрын

I saw a green flash from the coast of Oregon in the winter. I actually had a camera set up on a tripod in just case it happened. It was the most beautiful green I've ever seen. I immediately clicked the bulb. When I got my slides back from the developer, there was nothing but the sunset as it looked after the flash. So it lasted less than my reaction time.

@Dana-ki6vs 3 жыл бұрын

I am assuming this was sunrise? Considering Oregon in on the West Coast

@BlankBrain 3 жыл бұрын

@@Dana-ki6vs In my part of Oregon the sun rises in the east and sets in the west. The Pacific is to the west.

@eingyi2500 Жыл бұрын

@@BlankBrain "in my part of oregon" 😂

@swingardium706 6 жыл бұрын

"Up is down... well that's just maddeningly unhelpful."

@maximkazhenkov11 6 жыл бұрын

That's even more than less than helpful.

@geologist5838 5 жыл бұрын

I was waiting for the PoC reference!

@iamhearelshaddai 3 жыл бұрын

kzfaq.info/get/bejne/oM90gtt7tcvNpKs.html

@FloridaStraitsSailing 3 жыл бұрын

@@geologist5838 kzfaq.info/get/bejne/fZlhicRmzqmWk5s.html

@FloridaStraitsSailing 3 жыл бұрын

@@maximkazhenkov11 kzfaq.info/get/bejne/fZlhicRmzqmWk5s.html

@that1valentian769 6 жыл бұрын

The Green Flash sounds like The Flash’s newest super villain.

@adrianortega1431 6 жыл бұрын

Or the lovechild of Hal Jordan and Barry Allen.

@kenny-hm9ih 6 жыл бұрын

Better than Devoe

@Lucky10279 6 жыл бұрын

Yeah kinda. I think Cisco would be upset if he didn't get to pick the name though. 🙂 But now I kind of want the next villain to have that name.

@AZOffRoadster 6 жыл бұрын

Back when I was a kid doing bong hits, a green flash was what happened when you took too big a hit and your sinuses weren't clear.

@RussellSubedi 6 жыл бұрын

I bet his supersuit is green and animated too.

@matthewstewart5566 6 жыл бұрын

So when the Sun flashes green it's "awesome", when I flash Green hank takes out a restraining order on me

@leecrawford6560 6 жыл бұрын

matthew stewart oh boy 😂🤣

@luciferangelica 6 жыл бұрын

yeah? but john's cool with it?

@matthewstewart5566 6 жыл бұрын

luciferangelica Yeah, johns a durty boy

@sonarbuge7958 6 жыл бұрын

matthew stewart Actually a funny comment, Not like all these Hanks and spam commenters

@Neo2266. 6 жыл бұрын

*_I’VE GOT A JAR OF DIRT_*

@Elvinpareya1 3 жыл бұрын

And guess what's inside it

@latiostheinkling8250 3 жыл бұрын

@@Elvinpareya1 *DIIIIRT*

@too-hot-to-handle01 3 жыл бұрын

Bless you

@spademann 6 жыл бұрын

3:14 - 3:17 I really enjoy that you included real-time footage to provide an example for us all to see. Thanks for confirmation of scientific principles!

@DanielFoland 6 жыл бұрын

1:36 took a moment, but I figured out why this is true after an incident of reflection

@woodfur00 6 жыл бұрын

**claps**

@jivejunior8753 6 жыл бұрын

Why this isn't top comment is a mystery to me.

@equineexpert1501 6 жыл бұрын

This is one of those videos that teaches you things you never knew you wanted to learn about.... but those are my favorite kind. Keep being awesome SciShow!

@gibranhenriquedesouza2843 6 жыл бұрын

Green Flash - The last lightbender.

@jessegriffin8775 4 жыл бұрын

I saw a sunrise green flash sitting on a sand dune on the beach of Isle of Palms, South Carolina on July 3rd, 1958. It was the most brilliant color of green I had ever seen. I never found out about the phenomenon until forty years later when I was online and read about it. I was so glad to know it was real.

@ya-ma-dayamadash1524 5 жыл бұрын

2:32 "Silly human!, now you must face my stand, green flashu!"

@Jakubanakin 6 жыл бұрын

I feel like now we need an episode about mirages...

@aedr04 5 жыл бұрын

The green flash... this should be my hero academia's midoriya's hero name... the last bit of "hope" before the darkness sets.

@animistchannel2983 6 жыл бұрын

Video: "Green Flash - Sixty Symbols" Brady Haran & Pete Lawrence filmed detailed stages of green flash in at the big observatory in Paranal, Chile.

@twirlipofthemists3201 6 жыл бұрын

Good video imho.

@maerosss 6 жыл бұрын

"I reckon I seen my fair share. Happens on rare occasion. The last glimpse of sunset, a green flash shoots up into the sky. Some go their whole lives without ever seeing it. Some claim to have seen it who ain't. And some say-" "It signals when a soul comes back to this world from the dead."

@blackholeentry3489 2 жыл бұрын

My wife and I have a home 110 miles north of San Francisco situated 1100' above sea level with an excellent view of the ocean. Off shore fog frequently interferes with the sunset, but at least half the time it is clear enough that we see the green flash well about 2/3rds of the time.

@karmasutra4774 2 жыл бұрын

I saw it once

@jakemiller4291 6 жыл бұрын

Just hit 5m! Congrats!!!

@LprogressivesANDliberals 6 жыл бұрын

So Pirates of the Caribbean was right 😭

@lunamoonthereturnofgod8169 6 жыл бұрын

Wung Her du

@wierdalien1 6 жыл бұрын

Wung Her pirates of the carribean was right about a lot of things

@jakjak9797 6 жыл бұрын

The Green Flash? sounds like a certain super fast hero just got a power ring of lanterns light :P

@xL1GHTBR1NG3Rx 6 жыл бұрын

jak jak Just an ordinary Flash, after he pledged to become carbon neutral by 2020.

@aidanwansbrough7495 6 жыл бұрын

Awesome! Such a weird phenomenon! Thanks for the video!

@CerolianRepublic 6 жыл бұрын

SciShow is one of my favorite things.

@zizo0ditto1989 6 жыл бұрын

Well, this certainly *sheds light* on the topic

@zoofan9280 6 жыл бұрын

Abdel aziz habiba you can go now

@qwertyTRiG 6 жыл бұрын

Abdel aziz habiba I think that my favourite eggcorn is "to shade light on a matter".

@SunflowerSpotlight 6 жыл бұрын

Bah dum tsss!

@funkyalfonso 6 жыл бұрын

20 years ago I was at a small bay in Thailand. Just as the sun was about to set there was a amazingly fast neon green flash from one side of the bay to the other. My friend saw it and said' don't say anything just make a wish'. It was green and it went in a flash.

@williamoldaker5348 6 жыл бұрын

2:30 second son heck more like nuclear blast on the horizon.

@SmartinatorPlus 6 жыл бұрын

hahahahah

@512TheWolf512 6 жыл бұрын

That's the work of an enemy stand

@SmartinatorPlus 6 жыл бұрын

Eugene InLaw US bombing Japan

@PuddintameXYZ 6 жыл бұрын

And here I was thinking my grandmother had messed up when she painted the sun like a mushroom cloud in her old painting.

@FloridaStraitsSailing 3 жыл бұрын

@@SmartinatorPlus kzfaq.info/get/bejne/fZlhicRmzqmWk5s.html

@moonstonepearl21 6 жыл бұрын

Cool! I've never heard of this phenomenon before!

@old-moose 6 жыл бұрын

One cool summer in Oregon on a cliff looking over the Pacific, I was taking a sunset picture of my wife and caught the green flash in the picture. We went back the next night and got a video of it. I had heard of them but had never seen them before or since.

@MintyUnicorns Жыл бұрын

I'm here after seeing the green flash for the first time ever at the beach last night! Perfect conditions, over the Pacific Ocean with no clouds. It was so cool to see!!

@JWMCMLXXX 6 жыл бұрын

Never even heard of that one. Cool. Thanks

@stefanzigic7431 6 жыл бұрын

Dont worry its Captain Jack Sparrow coming back from Davy Jones locker

@justnoah2073 4 жыл бұрын

It signals when a soul comes back from the dead!

@nokdu2201 6 жыл бұрын

This video is so impressive!!

@bigstiffmen 6 жыл бұрын

So close to 5 million!

@karmasutra4774 2 жыл бұрын

I saw it once by accident looking out over the ocean at sunset 🌅 in the South Pacific. It was pronounced and really brightly colored green like fluorescent neon green and it took over the whole horizon for a second and just disappeared . Was so cool

@tommeng6522 6 жыл бұрын

2:36 Looks like an atomic Bomb

@tianasixkiller4771 6 жыл бұрын

It's true. During the summer, we go to St. Andrews Marina just to see it. The Green Flash is a major attraction not just for tourists... locals find it pretty amazing too. It happens quick so you can miss it real fast if you don't catch it as the sun slips beneath the horizon. Just a few seconds of a spectacular bright green flash.

@UnoriginallyChrisLPs 6 жыл бұрын

I've never even heard of this phenomenon. Cool.

@blackholeentry3489 2 жыл бұрын

I've been an amateur astronomer most of my 80 year life, but never heard of the green flash until in my 40's.

@d_wang9836 6 жыл бұрын

The sun is secertly a part of the Green Lantern Force

@adrianortega1431 6 жыл бұрын

Duwang Man The sun is Mogo's drinking buddy.

@Lucky10279 6 жыл бұрын

Lol

@Brightevergreen 5 жыл бұрын

Wow thank you! Understand it!

@randysmith9715 6 жыл бұрын

In the 1970's I was on a ship watching the sunset. I saw a green flash that was so intense that the entire sky turned green for about 4 seconds!! At the time, I didn't know what I had seen.

@twirlipofthemists3201 6 жыл бұрын

I've seen it 5-6 times, out of maybe 7-8 times I looked for it. Ocean sunsets... It's completely real. Sometimes it's very pronounced, very distinct, and other times more subtle. But you won't notice unless you're looking for it.

@XxSEETH3RxX 3 жыл бұрын

Here in Florida at a placed called Sanibel Island it happens there it seems more than anywhere in Florida at sunset.

@alexlubbers1589 4 жыл бұрын

I saw the green flash twice on a cruise. The first was a more yellowish green but the second was the most vivid, beautiful intense green imaginable followed by aqua blue. It was incredible and I had my camera aimed at it, got the shots.

@karmasutra4774 2 жыл бұрын

Oh wow do you have them anywhere on display ?

@robsaberrations4924 Жыл бұрын

I saw the Green Flash once, from the dining room of a cruise ship in the Pacific near Vanuatu. It's the only time in my life I've seen it.

@mikkosha 6 жыл бұрын

Maybe that was what my math prof meant when she suddenly stopped writing on the blackboard remaining silent for a while then absentmindedly uttering "green, green is the colour of hope" then resuming the lecture as if nothing had happened. Suddenly I feel even more appreciative of her lectures (she is a great prof anyways :)

@geminifiend5775 2 жыл бұрын

I seen alot of these when I was in the Navy . Kinda scary the 1st time I seen it

@StarSong936 6 жыл бұрын

I saw the green flash on one of Brady Haran's videos, from either Deep Sky Videos, or 60 Symbols though I forget exactly which it was. They were at the (hope this is correct) the Aricebo observatory in Chile. In the series of pictures that were taken, you can clearly see that the sunlight turns bright green for a couple of seconds as the sun is setting.

@tommeng6522 6 жыл бұрын

Lol. Hank "Green". He is a flash of sunlight in Scishow.

@bringmemike 6 жыл бұрын

Close enough

@captainbarbossa5201 6 жыл бұрын

Green lantern is secretly living there.

@natebarrios5320 6 жыл бұрын

this is wholesome content

@dal.salvador 4 жыл бұрын

Oh my god finally an explanation. I saw this happening twice in the morning and i freaked out for real.

@udtheaesir 3 жыл бұрын

Hawaii's a great place to see the green flash nearly everytime.

@laurenli6411 3 жыл бұрын

That's exciting

@skunkingdonuts3734 6 жыл бұрын

This makes me so happy Thanks Captain Jack

@jphzzzz 3 жыл бұрын

I've seen it and it was totally cool

@epsereth 6 жыл бұрын

That's a heck of a payoff at the end!

@user-qx5cn1si1q 3 жыл бұрын

I, as a 1st year optometry student, find this fascinating

@Master_Therion 6 жыл бұрын

I keep all of my important documents on a Green Flash drive.

@revenant_hunter 6 жыл бұрын

Only 2 likes for Master Therion? Weird........

@Master_Therion 6 жыл бұрын

Yeah, I was late. And, I admit, this isn't a very good pun.

@SmartinatorPlus 6 жыл бұрын

1 more lke from me

@Schradermusic 6 жыл бұрын

Meh.

@BlackHoleForge 6 жыл бұрын

But they are time-locked. You can only access them twice a day for a few seconds...lol

@robertgraham399 2 жыл бұрын

I've always wanted to know - If an aircraft flew at the right speed toward the sunset, at the right moment that the green flash would happen, could the green flash be prolonged?

@teslahunter4118 6 жыл бұрын

Well I think I know what I'll be doing this summer with my drones ;)

@lordelliott42 6 жыл бұрын

I've seen a band of green that sticks around for a bit in the colours of the sunset before, not just a flash. Only a few times though.

@Dannysonicx 6 жыл бұрын

Dusk Lycanroc evolution explained

@qwertyTRiG 6 жыл бұрын

I can hear Phil Jupitus now. "The sun", he weeps, "is not there."

@MARKE911 6 жыл бұрын

Just before a summer storm. Sometimes the sky turns “green” the sky is not clear but covered in clouds. sometimes the storm will produce a tornado.

@AzriAzhari 6 жыл бұрын

We need an "It's True" and "It's False" series

@swabby429 6 жыл бұрын

At dawn on Christmas Eve 2016, I saw a very brilliant blue flash at the instant of sunrise. I wasn't expecting to see it. I was outdoors on that very cold morning, simply to photograph the landscape at various stages of increasing daylight. The blue flash was so intense that I forgot to trigger the camera shutter.

@blackholeentry3489 2 жыл бұрын

Green flashes are somewhat rare, but blue flashes even more so....or so I've read. NEVER seen one, but have been seeing green flashes over 40 years.

@423chriscampbell 6 жыл бұрын

I've seen the sunrise version when going over a mountain range once thought it was just a figment of the imagination, I was tired and did not know it could happen at dawn.

@NrlGamingYT 4 жыл бұрын

I looked at this video because this morning I saw it. I was so shocked and wanted to know what caused it

@zorod5475 6 жыл бұрын

Random question. How big would a cube of clear silicon glass have to be before you can't see through it due to refraction, molecules blocking the light, etc.? Also if you had a planet sized ball of it would the planet glow because of the immense heat and pressure or would it be dark because of the factors listed in the first question?

@Lucky10279 6 жыл бұрын

zorod That's a really interesting question. You should ask the "Because science" KZfaq channel.

@JackSparrow-tn6ic 6 жыл бұрын

There is no point where you can say that now it is big enough. The light blocking happens gradually, so it would just get darker with every meter. There is some e^-1 formula that describes how brightness goes down with distance travelled through material. Depends on the strength of the light source, the distance and material constants, but never truly reaches zero (because of e^-1). But idk about your second question, very interesting. One thing that is for sure is that most of the glass planets material would be molten due to heat. Molten glass glows of course, but we would have to figure out how thick the solid crust would be and then use that e^-1 formula to see how much light reaches the surface.

@KaizuoSilva Жыл бұрын

Ive seen it many times, in hawaii where i live

@brianb8060 10 ай бұрын

🎵 For all the lost chances And all the lost dances For strange circumstances And Island hoodoo Green flash at sunset Young love recaptured Just an illusion What if it were to be true 🎵 RIP Jimmy Buffett

@mikestanley9176 4 жыл бұрын

Saw it one time on a ship in the Atlantic..over 40 years ago.

@kellykurt8339 6 жыл бұрын

I have taken photographs of many local sunsets. The near gamut of colors, cloud forms, contrails, insectivores,. I would like to see a green. Given some subjective experience, I'd like to see plaid. Ima keep watchin

@Benjamin-du6kr 6 жыл бұрын

"Mater Gibbs, ever gaze upon the green flash?"

@GroovyVideo2 6 жыл бұрын

i have never seen green in sunset- will look closer now

@NoPressure-69 2 жыл бұрын

i have senn green light in Latvia and it was like 20 minutes after sunset, also the splash was 2-3 secods long

@Yotanido 6 жыл бұрын

Orholam's wink

@ben2b244 6 жыл бұрын

Happens in Hawaii nearly nightly

@catfishofpl1707 6 жыл бұрын

Oh, I see one of these but it's afternoon... oh wait

@Panther-Strife4724 4 жыл бұрын

Almost reminds me of the super saiyan forms.

@Liquessen 6 жыл бұрын

Huh... so that's why the afterimage when eyes are hit by bright light tends to have a strange greenish tint!

@edsweet2858 5 жыл бұрын

I saw it once I was on a camping trip with my Girl Scout troop in mid September and me and some other kids were bored so we were watching the sunset and me and someone I did not know well saw it and we ask the others if they saw it they said no and they thought we were lying or something like that but after that I looked it up and it was a real thing

@FilledCircle 6 жыл бұрын

I got in a huge argument with my highschool science teacher about this. Who's laughing now Mrs. Carson!!

@Dyslexic-Artist-Theory-on-Time 6 жыл бұрын

Why don’t you make a video on the alternative theories about the Universe on KZfaq this would be interesting and good for the KZfaq community!!!

@TheIcyhydra 6 жыл бұрын

is that why full moonlight can make the sky look purple?

@freshboy3968 5 жыл бұрын

🎶Green Sun, Green Sun over paradise🎶

@jachariah4694 6 жыл бұрын

You late sci show, Pokémon got to this first fam

@jachariah4694 6 жыл бұрын

Wood 'n' Stuff w/ Steve French I wouldn’t say necessarily that “fam” is ghetto, it’s just silly slang that sounds stupid. Frankly I’m surprised you chose to passive aggressively criticize my usage of “fam” instead of “you” as opposed to “you’re”.

@Goro_Maj1ma 6 жыл бұрын

Wood 'n' Stuff w/ Steve French Take of the Exactly, it doesn't work. *How ghetto are you trying to be* but adding the exactly at the beginning makes it grammatically incorrect. 😊

@jachariah4694 6 жыл бұрын

#Captain Obvious hey correct your “of” to “off” before he notices and goes for the low hanging fruit.

@aliensinnoh1 6 жыл бұрын

Pirates of the Caribbean got it first.

@shoopoopie1 6 жыл бұрын

dusk form lycanroc anyone? lol

@seaborgium919 6 жыл бұрын

Was looking for the pokemon reference. A+

@super-weirdo5219 5 жыл бұрын

That is literally the reason I looked up this video

@Hartofafool 6 жыл бұрын

I would have thought it was when the yellow sun passes through the blue water and the tip surface would create just enough translucency to pass through and create green

@tobereed 6 жыл бұрын

Grew up in Kona, Hawaii. Seen hundreds. Thanks for confirming common knowledge.

@kristensmith11 6 жыл бұрын

And Rockruff evolves in Alola, a region based on Hawaii, because of the green flash.... Sorry had to make that reference.... Really sorry

@SunflowerSpotlight 6 жыл бұрын

For all the land locked people out there, especially those who live near mountains, it’s not what you’d call a common sight, so I’m sure a lot of people have had no idea if this was true or not.

@LunaDragofelis 6 жыл бұрын

awwww i live in southern germany, lots of mountains...

@krandaman1 6 жыл бұрын

I clicked because you didn't clickbait in the title for once - i want to know more...

@venturasunflower1014 4 жыл бұрын

I have caught it and its posted on my channel and you can see it in the middle of the day.

@my_name_is_betty283 6 жыл бұрын

Mamma said alligators are so ornery because they got all them teeth, but no tooth brush

@HIMcules2112 6 жыл бұрын

Betty nope, mammas wrong again.

@TripleNippleXIV 6 жыл бұрын

I believe Cl.sanders taught you it was the medula oblongata?

@Aukazull 6 жыл бұрын

I love this. When I was a kid my dad told me about that green flash. We wanted to see it together and we tried a bunch of times but never actually saw it. After a while we forgot, but I still try to see it when I look at sunset. Now I know it's real. Thanks for this episode!

@karmasutra4774 2 жыл бұрын

I only caught it once by accident . I have tried for a decade and nothing