Oh, Be A Fine Girl, Kiss Me

Песня про Гарвардскую спектральную классификацию звезд. Очень мило!
 [bad word] /www.setileague.org/songbook/obafgkm.htm

The stars in the sky when you look up at night
Appear at first glance to be pinpoints of light.
But study them closely. They're not all alike.
Oh, be a fine girl, kiss me.

The hot stars are blue and the cool ones are red.
Yes, color tells temperature; that's what I said.
Some stars are still living, and some are long dead.
Oh, be a fine girl, kiss me.

The hottest blue stars we consider Type O.
The cool ones are M Class. Confusing, I know.
The system was standardized quite long ago.
Oh, be a fine girl, kiss me.

Look up in the daytime, and what do you see?
Our warm yellow Sun, which we know is Class G.
star like the others, but special to me...
Oh, be a fine girl, kiss me.

As [bad word] and Russell said time after time,
The main sequence stars queue up in a straight line.
Their blackbody curves tell you every star's kind.
Oh, be a fine girl, kiss me.

The stars clump together, not by twos or threes,
But hundreds of billions, to form galaxies,
And there are a good hundred billion of these.
Oh, be a fine girl, kiss me.

Today's population of stars we call I.
nearby example would be our own Sun.
They're quite rich in metals, and tend to be young.
Oh, be a fine girl, kiss me.

The first population of stars we call II.
Just fusion reactors, and what did they do?
Produce heavy elements, planets, and you.
Oh, be a fine girl, kiss me.

In five billion years, our Sun's life will draw short;
We can't say exactly its ultimate course.
Expand to red giant, or shrink to white dwarf?
Oh, be a fine girl, kiss me.

I've studied the stars of each possible kind.
I'm happy to watch them for quite a long time.
And don't you just love how they twinkle and shine?
Oh, be a fine girl, kiss me.