40 results found for astronomy

View Grid List
Sort A-Z By date
Square kilometre array 00:21:00

The Square Kilometre Array

by Rosie Bolton
The Square Kilometre Array
for 14-19 and upwards,
Lectures | 14-19 and upwards | 1 year ago | 1772 views
Rating:

Rosie Bolton describes the importance of this huge project and some of the interesting problems which needed to be solved in its planning and implementation.

More details | Watch now
Gravitational waves 00:17:00

Gravitational waves and the early universe

by Mark Hindmarsh
Gravitational waves and the early universe
for 14-19 and upwards,
Discussions | 14-19 and upwards | 2 years ago | 529 views
Rating:

Mark Hindmarch talks about our understanding of how we explain the immediate aftermath of the Big Bang.

More details | Watch now
The state of the universe 00:33:00

The State of the Universe

by Brian Schmidt
The State of the Universe
for 18-22 and upwards,
Lectures | 18-22 and upwards | 2 years ago | 305 views
Rating:

Our Universe was created in 'The Big Bang' and has been expanding ever since. Brian Schmidt describe the vital statistics of the Universe, including its size, weight, shape, age, and composition. He also tries to make sense of the Universe's past, pr....

More details | Watch now
Cosmic microwave 00:31:00

Cosmic Microwave Background Radiation and its Role in Cosmology

by Robert Wilson
Cosmic Microwave Background Radiation and its Role in Cosmology
for 18-22 and upwards,
Lectures | 18-22 and upwards | 2 years ago | 498 views
Rating:

In the first half of the 20th century other galaxies were recognized, their red shift measured and theories of the whole universe were developed. They included Big Bang and Steady State. Arno Penzias and I found the Cosmic Microwave Radiation (CMB) i....

More details | Watch now
gamma rtay 00:30:00

Gamma Ray Bursts: Windows on the Universe

by George Smoot
Gamma Ray Bursts: Windows on the Universe
for 18-22 and upwards,
Lectures | 18-22 and upwards | 2 years ago | 501 views
Rating:

Gamma-Ray Bursts are the most powerful explosions in the universe. They happen about once per day in the visible universe. Their fantastic engines pump out as much energy in a matter of seconds as all the stars in a galaxy do in a billion years. This....

More details | Watch now
what we learn 00:33:00

What We Learn When We Learn that the Universe is Accelerating

by Saul Perlmutter
What We Learn When We Learn that the Universe is Accelerating
for 18-22 and upwards,
Lectures | 18-22 and upwards | 2 years ago | 404 views
Rating:

The 1998 discovery that the universe's expansion is accelerating was not only unexpected, but it also led to the postulation of a previously-unknown 'dark energy' forming almost three-quarters of the "stuff" of the universe. How was this discovery ma....

More details | Watch now
Black Holes 00:07:00

Black Holes

by Angela Luo
Black Holes
for 14-19 and upwards,
Highschool presentations | 14-19 and upwards | 2 years ago | 677 views
Rating:

A very interesting survey of the current knowledge of these strange beasts.

More details | Watch now
Galaxy Clusters 00:05:00

Galaxy Clusters

by Michelle Sun
Galaxy Clusters
for 14-19 and upwards,
Highschool presentations | 14-19 and upwards | 2 years ago | 688 views
Rating:

How these ultra-large objects indicate the presence of both dark matter and dark energy.

More details | Watch now
Gravitational Lensing 00:11:00

Gravitational lensing

by Hugo Westwood-Dunkley
Gravitational lensing
for 11-14 and upwards,
Highschool presentations | 11-14 and upwards | 2 years ago | 584 views
Rating:

A young scientist's thoughts

More details | Watch now
Dark Matter 00:05:00

Dark Matter

by Lucas Belz-Koelin
Dark Matter
for 11-14 and upwards,
Highschool presentations | 11-14 and upwards | 2 years ago | 637 views
Rating:

A really good overview of Dark Matter - from an 11-year old! http://www.geoset.info/wp-content/uploads/2015/01/Dark-Matter.pdf

More details | Watch now
What future - L-N - Steinberger - P 2008 00:44:00

The Impact of Big Science on Astrophysics

by Riccardo Giacconi
The Impact of Big Science on Astrophysics
for 18-22 and upwards,
Lectures | 18-22 and upwards | 3 years ago | 465 views
Rating:

The Chandra and Hubble Telescopes are in space and each costs (through operations) several billion dollars. VLT is on the ground but over 20 years of operations will also cost in excess of a billion. They all fall therefore in the category of what ....

More details | Watch now
The Beginning - L-N - Smoot - P 2008 00:35:00

The Large Hadron Collider and the Super World

by David Gross
The Large Hadron Collider and the Super World
for 18-22 and upwards,
Lectures | 18-22 and upwards | 3 years ago | 512 views
Rating:

In the period 1990 to 2001 many powerful new astronomical observational facilities have become operational. Hubble Space telescope was launched in 1990; it was followed by the construction of Keck I in 1992 and Keck II in 1996, by the completion of....

More details | Watch now

Items per page: