Flux coupler.

Their number will increase as the cube of the distance. But the fluxes will decrease as the inverse square of the distance.

I've isolated the reverse power flux coupling.

So lets now consider Hubble diagram.

Astronomers use magnitudes which are a logarithmic measure of flux defined by the formula written here.

The minus sign tells you that the higher the number, means the lower the flux.

In general case this will have to be integrated numerically.

But in practice what we do a differential counts, how many per unit flux or other per unit magnitude.

It doesn't matter.

But nevertheless the principle is the same.

Set

Come.

A doorway...

Is it poison?

The front door! The front door! Where is it?

Get inside.

Hey. New kid.

You should really remember these numbers, because we'll constantly refer to distances and masses and luminosities using these units.

They'll call it the blue forehead room.

You excavated from somewhere, came up from inside and deepened it.

On my first day,

So that's the room.

Come in, Ksyusha.

With bacon.

Have you got lead in there? Let me, uncle Vova.

I'm in.

I'm going in.

Who's this? New guy.

Oh, you brought me meatballs, huh?

Now, I added vitamins.

Access.

That's right, you won't.

Is photo ID.

Hot chocolate, extra Marshmellows.

I'm in.

largest number that divides both of these is a 10.

So, there's no technology in the world that can span 11 orders of magnitude.

Euclidean space, populated uniformly with some kind of sources.

The magnitude is 4 dB.

You're new, huh?

Are you going in?

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