The End of the Universe

The Universe is expanding, increasingly so. Will this persist or will it collapse back on itself? If it does expand forever, what happens to the galaxies? What is the long-term trajectory for the ultimate in collapsed matter, black holes?

A lecture by Katherine Blundell OBE recorded on 31 May 2023 at Barbican Centre, London

The transcript and downloadable versions of the lecture are available from the Gresham College website:

[seazenbones]

I have understood more about the universe through Dr Blundell’s lectures than ever before in my 60 odd years on this planet. I thank her and wish her the very best with her Global Jet Watch mission. Brilliant lectures. Thanks to Dr Blundell and Gresham College from Australia.

[donaldbustell]

Thank you very much. I have greatly enjoyed all of Dr. Blundell's lectures. I am very sorry that she is leaving, but will hold out hope that she returns with a report on the work she is now setting out to do. [FWIW, I'm a retiree in the central U.S.]

[Metaldetectiontubeworldwide]

What a great lecture again ☆☆☆☆☆
I could listen to dr. Catherine 's voice, lecturing cosmology, , forever .

Grrz Johny Geerts

[olmrbxc]

You learn some serious word smithing with Dr Blundell. Word of the day: asymptotically

[JackReynolds-wg]

It is true. If you pan away from planet Earth, our entire solar system becomes a speck and impossible to even see. Pan out further and our entire galaxy becomes a speck. Eventually the milkly way disappears completely. And this is only the currently observable universe.
We can only see ~ a hundred billion light-years of diameter. This distance is unfathomable. And to think that it just goes on and on. What else truly disappears into oblivian, how big are your problems ?

[RoyBurnell-on]

Miller Mary Jackson Dorothy Taylor Shirley

[charlesbrightman]

Dark Energy: Modern science claims that energy cannot be created nor destroyed. "IF" dark energy already existed in existence, then it should have already done it's thing. "IF" dark energy came into this existence from another dimension, then from what dimension? And then also, can energy leave this dimension? "IF" modern science is wrong and energy can be created in actual reality, can energy also be destroyed in actual reality? "IF" so, what then of existence in this existence?

[JJONNYREPP]

The End of the Universe. 2123pm. Can't. wait. What now until the end? travel scrabble?

[krunoslavregvar]

Hmmm... Very nice lecture. But, in some critical staffs, I disagree with lecturer. And, I am not flat-earth-er.

[johnvaleanbaily]

Sorry... I fell asleep listening... are we dead yet ?

[paulcampbell]

Presenter makes constant reference to previous presentations - Those references are largely a waste of time - She could make far better use of her time by actually covering the topic in earnest, and without the constant self-promotion.