Fundamental to the structure of the universe is the existence of dark matter and dark energy.

Dark City

What are you doing? Teach a woman to read.

So in terms of the big questions what is dark matter? What is dark energy?

So in terms of the big questions what is dark matter?

The Caucasian Dark Circle

Eyes of shadow water

Dark Windows .

No point in looking where it's light!

Dark energy.

Thus, dark matter is estimated to constitute 84.5 of the total matter in the universe, while dark energy plus dark matter constitute 95.1 of the total mass energy content of the universe.

Such rings help in understanding the distribution of dark matter, dark energy, the nature of distant galaxies, and the curvature of the universe.

It looks as if dark energy makes up about 68 of the universe and dark matter about 27 ,

And there's a whole shelf full of Nobel Prizes for the young people who can figure out the secret of dark matter and dark energy.

We call that stuff dark matter.

So what's the dark stuff made of?

So, these are the Dark Ages.

We have well motivated candidates for the dark matter.

I'm laughin ' at clouds So dark up above

The hen mews in a lake so dark.

Let us take him to the Dark Kingdom. Yes.

To the Dark Kingdom, away, away!

And finally, for future endeavors, there are telescopes being designed specifically to address the questions of dark matter and dark energy ground based telescopes, and there are three space based telescopes that are in competition right now to be launched to investigate dark matter and dark energy.

So this is the closest you can get to kind of seeing at least the effects of the dark matter with your naked eye.

Now, so at this point, then, what I want to really emphasize to you, is that, first of all, dark matter and dark energy are completely different things, OK.

In terms of dark matter, I said that we don't have any, you know, really persuasive argument for dark energy.

Dark matter is invisible matter. If I held it in my hand, it would go right through my hand. It holds the galaxy together 23 of the universe is dark matter.

Dark energy, though speculative, solves numerous problems.

In some places, the dark cells have been demolished.

This is what we call today the camera obscura.

That stuff is called dark matter.

OK. So now, let's turn to dark energy.

Dark matter now placed against a horizon.

larger than the galaxy itself dark energy.

There's something poking about in the dark corners.

And it comes back as mid region of Weir.

No alcohol, no iodine, amateur nurses...

So dark matter has gravitational attraction, but it is invisible and we are clueless as to what dark matter really is.

Dark matter is invisible, so if I held it in my hand you wouldn't see it.

like dark energy and dark matter this equation describes, seems to describe everything about the universe and what's in it.

Patricia Burchat sheds light on dark matter

You're underneath it, looking up into the lens of the camera obscura.

We still have one foot in the dark ages.

I started exploring the darker abscesses of the human mind.

Couldn't be the drinks. I only had two, didn't I?