Galileo Galilei Proven Right

[micksgirl100]

according to the catholic church there is no evolution and god built this whole world and all its occupants in seven days even though we can look into deep space and can see new worlds being born catholics are brain washed child molesters watp

[abarrathemaster]

stenly kubrick must be much more smarter than people thought to fake this

[jamesbreedthelove]

what nice astronauts

[BrugesFan23]

any beliefs in that time were vicious

[SaudiTrooper]

Anybody else feeling a little proud right now, having watched this? And with the LHC there's more to come in the following years!

[Afgsusan1]

Sometimes I just sit there and really wonder what Galileo would have thought to see his idea proven correct..I wish he could see this.

[dycarbon1]

By censoring Galileo's IDEAS, and taking away his or anyone else's right for FREE SPEECH, the church halted human progress for a thousand years! The church advocates the total paralysis of reason and rational thinking and halts any sort of scientific advancements. People are told to not question, not to argue and not to doubt. So yes, I guess the church is pretty good at what it does.

[IsawaMitaka]

@dycarbon1 "the church halted human progress for a thousand years!"

So, progress has been halted until around the year 2,600CE? :-)

[FFFFbody]

@dycarbon1 Wrong buddy. The Church has always advocated the sciences. The Pontifical Academy of Science is the oldest "academy" in the world. The Vatican has a telescope in one of the best places in Arizona. Also, you cannot bring in 18th C. ideas into the 16thC. It isn't historically honest.

From now on, be careful not to engage in misinformation and hyperbole, because someone will always come along and put you in your place.

[dycarbon1]

@FFFFbody

Science, to the church, is merely a tool which they manipulate to support their personal beliefs about our relationship to the universe. That is NOT how science works. Would you agree with the claim that "AIDs is bad in Africa, but condoms are worse?"

[FFFFbody]

@dycarbon1 Hey buddy, corresponding with you would be a time-killer. I can tell when people are too closed-mindid. Just the words you use "manipulate"

[dycarbon1]

@FFFFbody

Awwww < =(

Prejudice much?

Judging by your user name I could say you are a dim-witted 12 yr old redneck. Any attempts to communicate would only drag me down to your level so... I rest my case!

[FFFFbody]

@dycarbon1 lol. No buddy. I'm named "FFFFBody" because I like muscle cars. And in the '60's and '70's Pontiac and Chevy named the chasis for Trans-Ams and Camaros "FBodies" I also own one. That's all.

[NelielTuOderswank]

@FFFFbody Ah so the witch burnings never happened, evolution was never under pressure, the Spanish inquisition never existed, the world is flat, the sea past the cape of good hope is full of boiling water, and we should spend our lives trying to go to heaven instead of trying to create it here on Earth. Perfectly logical.

Please don't embarrass yourself. You're the clearest case of Ad Hominem I've ever seen.

[FFFFbody]

@NelielTuOderswank Which witch burnings? The ones by Protestants in Salem New England?

[NelielTuOderswank]

@FFFFbody Christian is Christian, religion is religion, twist it any which way you want.

[wolverine10mm]

very intersting

[canadamonster]

looks like they are on earth

[TASSOPENSATORE]

l'esperimento è interessante. tuttavia è sufficiente disporre di una comune pompa con la quale fare il vuoto dentro una campana di vetro, et voilà: l'esperimento può essere svolto anche a casa. o a scuola.

[bosstoll]

stupid

[mephesis]

galileo was always right, he was murdered by fucking catholics and their fucked up minds

[runly1]

galileo wasn't murdered, he died of natural causes at an elderly age.

he was tried by the inquisition for his writings, was forced to recant and spent his final years under house arrest where he continued to write about physics.

[axiomatic272]

mephesis-you are right about Galileo being right, but wrong about him being murdered.

Check any reputable source, Galileo was censored, misunderstood, ill used, misrepresented, yes all of those. But he was not murdered or otherwise killed as runly1 has correctly pointed out.

Why do people who wish to criticise religion (and you brought the subject up, not me) feel so free to use the same kind of uncorroborated inexactitudes they accuse religion of using?

kind regards

[FFFFbody]

@mephesis Go fuck yourself. I'm sick of people like you engage in hyperbole. Catholics never murdered him you liberal prick asshole. Infact, the Church put him under house arrest for his own protection from the Protestant hoarde. Just look what the Protestants were doing at the same time in New England (Salem).

[Marillionado]

@mephesis Being a catholic myself, I have to agree with you. Those were dark times, as anyone who has some degree of inteligence can distance himself from.

[chewysen]

@mephesis he was just put under house arrest. They didn't kill him, and they admit he was right about 20 years ago.

[wasywon]

anyone who's smart please answer:

why do they fall slower on the moon than on earth? let me explain:

i know the moon has less mass than the earth - but a feather has less mass than a hammer and they clearly fall at the same speed. why does the "big" object (the planet/moon) change the speed at which the objects attract to one another but the small object (feather/hammer) not change the speed at which they attract towards the planet?

[hollowayHAWK]

There is less or hardly gravity. The gravity of earth is equivalent to 9.8 m/s^2 wheras on the moon it's only 1.6 m/s^2. Also there is the factor that the earth has oxygen and nitrogen within the atmosphere, and there is frictional air resistance when dropping a feather and a hammer on earth. If you take away all these components like they did on the moon, then that will be your result.

[TASSOPENSATORE]

only the second fact is important: the absence of gas, so absence of frictional force. the gravity value is not important. if you do vacuum (for eemple, in the inner of a glass bell), you can do the same experience of this film also on earth.

[vizdotnu]

The objects actually don't fall at exactly the same speed! Despite the lack of atmosphere, the more massive object *will* feel a stronger gravitational attraction to the moon (F = G *(m1*m2) / d^2), however that extra amount is near infintesimal- probably less than a trillionth of a second difference - so it is ignored.

[neverheardabout]

what do you mean they dont fall at the same speed? The heaviest the object is the greatest force. BUT the force doesnt determines the speed. Speed is determined by gravitional acceleration (on earth it is g=10m/s*s)

All objects in a planet without atmosphere fall at the same speed. Even on earth in vakuum. Explain what is ignored. I dont get it.

[jamespandavan]

@vizdotnu

IMHO, your explanation is incorrect. The force acting on hammer in this case would be significantly higher. Let us say the hammer is 100 times as heavy as the feather. Using your equation, you can clearly see that force acting on hammer would be 100 times the force acting on feather.

[vizdotnu]

thank you for calling it my equation but its Newton's law of gravity: Gravitational force is a function of both bodies' masses. If the sun pulls harder than the moon, then a hammer pulls harder than a feather. But the difference is negligable so we discard it. Replace the hammer with another moon,,,

[jamespandavan]

:) I guess I should have said "in the Newton's equation in your comment". I don't understand what you are trying to say here. Let me explain my statement.

F=G*M*m/(d^2)... Newton's Gravitational eqn

F=m*a ... Newton's second law of motion

a = G*M/(d^2) .. Note that m (the mass of object) cancels out on both sides.

In other words, acceleration (due to gravitation) would be product of Gravitational constant, Mass of heavy body (earth/moon) and distance between objects.

[vizdotnu]

Two objects, the moon (m) and hammer (h) affect each other equally and opposite:

Acceleration of hammer caused by moon:

Fh=Mh*Ah=G*Mh*Mm/(r^2)

Ah=G*Mm/(r^2)

Acceleration of moon caused by hammer:

Fm=Mm*Am=G*Mh*Mm/(r^2) (same force as above)

Am=G*Mh/(r^2)

So a larger "hammer" pulls the moon faster even though its own mass is canceled out in its own acceleration equation. And yes, even a feather will pull on the moon even though we could never measure it.

[jamespandavan]

To put it in English.. the rate at which the object falls (velocity & acceleration) is constant.. and is independent of mass of the object. The force acting on them tough could be higher by any factor.

[jamespandavan]

"In other words, acceleration (due to gravitation) would be product of Gravitational constant, Mass of heavy body (earth/moon) and distance between objects. "

by that I really meant to say...

"In other words, acceleration (due to gravitation) would be product of Gravitational constant, Mass of heavy body (earth/moon) and INVERSE SQUARE distance between objects" :o)

[jamespandavan]

@vizdotnu

They will fall with the same speed and will experience same acceleration due to gravitation (g). neverheardabout is correct in his explanation.

[beavernate]

its becuase when u look at the equations, both masses are important, but a hammer or feathers mass is so ridiculously small compared to the moon (or Earth), the body is going to have a much larger affect

[bodrius]

This is so obiously fake. Everybody knows there are no falcons in the moon.

[wasywon]

lols

[l23eleyet]

You people that call this thing a fake are stupid and don't know anything about Physics or the moon's gravity. It is real so get over it!

[tuttt99]

Dave Scott and Jack Schmitt were babes back in their Apollo days...

[TBlake34]

It's all fake. That was the same set they on which filmed Pee-Wee's Big Adventure.

[woodchopper111]

i agree!! its all fake and staged. just like 9/11, war on iraq/afghanistan. they will never tell us the truth!!!!! we want the truth

[Possesed132]

you are so fucking stupid...that shit is not fake....how do u fake two huge ass buildings being destroyed? people pass by the place where the trade towers are EVERY DAY...so STFU

[woodchopper111]

wtf are you talking about fuck face?

[Possesed132]

people where saying that the world trade centers being destroyed was fake.....when its clearly not

[Tauanuukid]

hhaha i saw this today in calss...

[greenballs12345]

mass does not count for enything in space, space is a vacume. In a vacume no air nor wind resistance is there ok well mybey hydrogen/other atoms and shit but they dont count. As i was saying mass does not count for aything while there is no air or wind resistance so therefor the threory wich has been proven is correct that a feather and a hammer will fall and hit the ground at the same time. drop tony blair and president bush at the sam time and they will both hit te ground at the same time :)

[jgstargazer]

To leave no doubt it must be done from a skyscraper to see if they hit the ground at the same time.

[woodchopper111]

u dumbass!! W=M x G

mass stays the same whereever you are. what makes them different is the weight. 9.81m/s for earth, something else for moon and any other things except earth. thus will change the weight accordingly

[cm97]

it was definitley Galileo, have you guys done history yet? im in 5th grade and i know that

[Tauanuukid]

haha lol... i knew that too.. and we just learned it again in 7th

[janeleone]

Galileo? Or Newton? Never to late to study HISTORY. RU sure these guys had the right "stuff"?

[izeman458]

Didn't Gallileo drop two somethings from the leaning tower of Pisa? And then Newton wrapped it up with some equations a few centuries later?

[o0justinpowns0o]

i'm actually doing a project on gallieo right now and that is a common misconception

[SineCalvin9]

the feather in this film is obviously a very lightweight, high drag/surface area feather.

it obviously falls with no air friction.  the feather not only falls at expected speeds, with no friction whatsoever, it does not 'reconfigure' itself in freefall, as any feather would when dropped in an atmosphere.

this video was taken, without a doubt, in a zero atmosphere/pressure environment. there is no vacuum movie stages today, and there definitely was not back in 1972.

[thegstrings123]

no, it was galileo

[AnnieMouse60]

Where is the hammer experiment on Aulis?

[thegstrings123]

that says it then, we went to the moon, period

[mcmlxvi]

We?... so when you talk about known criminals you also say WE? or you are just one of those idiots that love to rube onto themselfs what others have achieved?... WE! Give me break!

[thegstrings123]

go fuck yourself you conspiracy loving, know-nothing, dwinky eating, redneck, got have anal with george dubbaya

[arkor7]

@thegstrings123 conspiracy theorists voted Obama not Bush. And they're not rednecks but usually leftist brainwashed college students.

[rockstar552]

my teacher showed us this video for science class.

in your face newton!!

[luisfcayo]

how about them apples Newton... !!

[rockstar552]

lol

[whiteheartmovies]

Great video clip, very interesting. It's a shame it took over 300 years to conduct a real world demonstration of Galileo's theory and an other 23 years for the Catholic Church to officially apologise for their ill treatment of him and his sicentifc work.

[rockstar552]

yeah! fight the power!

[hypercaster]

Galileo was genius.. even though he never tried to experiment it on the moon.

[izeman458]

Was this experiment to prove Galileo was right or to prove that the astronauts were really on the moon?

[luisfcayo]

both

[DSBrekus]

It was more symbolic then anything else, something cool to show people, sorry to reply a year later. :D