12 results found for astronomy

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Tanvir 00:08:00

A flash from the early Universe

by Nial Tanvir
A flash from the early Universe
for 14-19 and upwards,
Lectures | 14-19 and upwards | 7 years ago | 814 views
Rating:

Light from a star that exploded 13 billion years ago has reached Earth, setting a new record for the most distant astronomical object yet observed. The characteristics of the explosion show that massive stars were already forming only 630 million yea....

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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 | 497 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....

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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 | 636 views
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A really good overview of Dark Matter - from an 11-year old! http://www.geoset.info/wp-content/uploads/2015/01/Dark-Matter.pdf

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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.

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

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Gravitational Waves - James Pye - Kings Canterbury 00:05:00

Gravity Waves

by James Pye
Gravity Waves
for 14-19 and upwards,
Highschool presentations | 14-19 and upwards | 3 years ago | 1045 views
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Theory and evidence for gravity waves

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cami.dvi 00:59:00

Optical (Electronic) Spectra From Space

by Harry Kroto
Optical (Electronic) Spectra From Space
for 18-22 and upwards,
Lectures | 18-22 and upwards | 8 years ago | 801 views
Rating:

Optical (electronic) spectra from space: comets. The detection of the pulsar in the Crab Nebula. The Three Degree Background. The detection by spectroscopy of the birth of stars.

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CapturFiles_12 00:57:00

Overview of the Universe

by Harry Kroto
Overview of the Universe
for 14-19 and upwards,
Lectures | 14-19 and upwards | 8 years ago | 921 views
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An overview of the Universe and its component parts e.g. galaxies, stars, planets etc.

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Bridle 01:00:00

Seeing the invisible: observing the dark side of the universe

by Sarah Bridle
Seeing the invisible: observing the dark side of the universe
for 18-22 and upwards,
Lectures | 18-22 and upwards | 7 years ago | 757 views
Rating:

It seems that most of the universe is made up of mysterious ingredients which we cannot see directly. Dr Bridle describes in pictures 'gravitational lensing', the bending of light by gravity, which is predicted by Einstein's General Relativity. Dr Br....

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Silk 01:05:00

The dark side of the universe

by Joe Silk
The dark side of the universe
for 18-22 and upwards,
Lectures | 18-22 and upwards | 7 years ago | 740 views
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The emergence of cosmic structure is an outcome that has been studied by peering back through the mists of time to the remote depths of the universe as well as by deciphering the fossil structure of nearby galaxies. One of the greatest mysteries in t....

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King 00:14:00

The Mathematician Who Can’t Add Up

by Emma King
The Mathematician Who Can’t Add Up
for 11-14 and upwards,
Lectures | 11-14 and upwards | 8 years ago | 744 views
Rating:

Emma was a post-graduate student at the University of Nottingham, completing a PhD in the field of theoretical cosmology. As an undergraduate at the University of Sussex she made history when she became the first woman to win the top prize at the Sci....

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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....

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