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Kepler's Laws

Hi, Giulia... I'm not coming to the astronomy test today. I didn't manage to study anything yesterday. Goffredo left me! I don't know why, but he left me!
 
Baby, you don't need to worry,
If you haven't had the time to study,
You've got an astronomy test,
But, with your heart, you'd rather go away.
 
Oh baby, really, don't make it a mystery,
You fell in love and forgot
To study Kepler's laws!
 
Kepler!
 
Don't worry, baby! We'll take care of it for you.
 
The first law says that the orbit traced by a planet around the sun is really elliptical
And the Sun shines, right in one of the two focuses situated over the plan of the eclipse.
Oh baby baby, don't sigh,
If you remembered more of a circular movement,
Since for the Earth the eccentricity is 0.017,
It's really small.
 
Like you, baby.
 
The second law states that the vector radius from the center of the Sun to the orbiting planet,
Moving at the same space and time, different regions but of constant area.
 
The second law has numerous corollaries as interesting consequences,
Where you can see that orbital velocities aren't constant for planets.
Oh baby baby, at the perihelion
The Earth travels faster than at the aphelion.
And now that you know you'll get the passing mark,
Don't stop, the third one must be studied, too.
 
The third law says that you have to take the squares of the periods the planets orbit
And there's a law tying T squared to the cubed semi-axis, the greatest one of every orbit
Oh baby baby, you can hand the test,
But you must never forget to study anymore,
Since we don't have a song suitable for every single subject of astronomical geography!
 
Hi Giulia! I'm coming, keep my seat! I've learned everything thanks to the Italian Teacher Substitutes! Besides, let's face it, Goffredo, what a ****** name!
 
Unless a secondary source is specified below, you may use this translation wherever you want as long as you put a visible link to this page. Otherwise check the source.

Trigonometry

And now let's review once more the most important rules of trigonometry, starting from the relation that ties the function-
 
Alright, thanks bro, listen up to this poetic meter,
Unit circle rap.
Round as the groove, soul rolling box
And the rule it follows, mate, is shiny gold:
On the horizontal axis you can carve the cosine,
Y axis, instead, is there to burn-mark the sine.
And the ABC triangle is right, so
With the Pythagorean Theorem you get straight
 
Squared sine plus
Squared cosine, you
Already know it's one,
It's always one
It fixes in your head, like the taste of Fiesta!
 
If the problem is messed up, kind of Edgar Allan Poe,
Acute-angled triangle, beware the qui pro quo.
Here Pythagoras isn't valid, stand up all for the show:
Fourth rhyme, poker of aces, Carnot Theorem
(Also known as Cosine Theorem)
If you know two sides and the angle between them,
C squared equals, a bit of an unexpected result,
A squared plus B squared
Minus the double of the product of A times B times cosine of X!
 
Squared sine plus
Squared cosine, you
Already know it's one,
It's always one
It fixes in your head, like the taste of Fiesta!
 
Unless a secondary source is specified below, you may use this translation wherever you want as long as you put a visible link to this page. Otherwise check the source.

The Theory of Relativity

And hence the most important result of the theory of relativity - Guys!
 
Mechanics, optics, electromagnetism
Mate, follow the beat, I want dynamism
They follow rules that remain the same
In the inertial reference systems
For relativity, put your hands up!
 
This theory is an extension,
It's a reformulation
Of the laws of Newton mechanics!
 
'E' equals 'M' times 'C' squared
And the result, not expected at all, is that
Mass is just another form of energy
It fixes in your head like the taste of Fiesta!
 
Light propagates: constant speed
Independently from who's observing the source
As a result, for relativity,
Ether doesn't exist, there's no need for it!
Make your hands collide!
 
There is a contraction
Or an enlargement
Of the values of the space-time continuum!
 
'E' equals 'M' times 'C' squared
And the result, not expected at all, is that
Mass is just another form of energy
It fixes in your head like the taste of Fiesta!
 
Unless a secondary source is specified below, you may use this translation wherever you want as long as you put a visible link to this page. Otherwise check the source.

Mendel's Genetics

Doctor, look well!
Our eyes are as black as soot!
And what did this serpent make?
She made a blue-eyed son!
She betrayed me and I don't want her anymore.
 
Eyes as blue as sea,
There's no way of getting them wrong,
The stable hand from the cloth of my bed squeezed through!
No!
Yes sir!
Oh, no!
Yes sir!
This son,
This son,
This son has got blue eyes!
 
It isn't true, I've never betrayed you in my life!
Doctor, what do you think, what may have happened?
 
Calm down, calm down, there's no trick science can't explain.
Every doubt and each misfortune can be cured.
Even the doubt of the husband who thinks he's been betrayed,
With Gregor Mendel's laws today I will clarify!
 
The black eye is dominant,
The blue eye is recessive,
Here I say and here I write it,
Very few people have got blue eyes!
 
Every time someone
Has the dominant allele
Doesn't matter if the allele of blue eys
Is present as well!
 
The black eye is dominant,
The black eye he will have.
 
Only who's
Recessive homozygote,
Here I say and here I write it,
Will have big blue eyes!
 
Is it clear?
 
Even if the father and the mother have eyes as black as soot
That doesn't mean their children can't have blue eyes.
Here I say and here I write it,
That allele is recessive,
Every fourth child will have blue eyes!
 
I'm complaining that my father has got eyes as bright as the sky,
I'm so clumsy, I didn't think of it.
I'm so clumsy, I didn't understand I've got the recessive allele,
Every fourth child will have blue eyes!
 
Come to think of it, even my mother didn't have dark eyes,
We can be sure and stop worrying.
Here nearly (?), but the allele is recessive,
Every fourth child will have blue eyes!
Every fourth child will have blue eyes!
Viva Mendel and science, viva viva blue eyes!
Viva Mendel, no more without him, viva viva blue eys!
Viva this coincidence, viva viva blue eyes!
Blue eyes! Blue eyes!
With the recessive allele, finally, viva viva blue eyes!
 
Unless a secondary source is specified below, you may use this translation wherever you want as long as you put a visible link to this page. Otherwise check the source.