16 results found for cosmology

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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 | 9 years ago | 1206 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 | 4 years ago | 925 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 | 4 years ago | 1058 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 | 4 years ago | 1170 views
Rating:

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

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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 | 4 years ago | 919 views
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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....

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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 | 4 years ago | 850 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 | 5 years ago | 1413 views
Rating:

Theory and evidence for gravity waves

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Is Chemistry so difficult? 01:05:00

Is chemistry really so difficult?

by Andrea Sella
Is chemistry really so difficult?
for 14-19 and upwards,
Lectures | 14-19 and upwards | 4 years ago | 559 views
Rating:

Chemistry has progressed in a way few outsiders appreciate. It underpins many other sciences; from genomics and molecular biology, food and sports science, through to cosmology and planetary science. Why hasn't the public impression of chemistry evol....

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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 | 10 years ago | 1165 views
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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 | 10 years ago | 1641 views
Rating:

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 | 9 years ago | 4987 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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The asymmetric Universe 01:08:00

The asymmetric Universe

by Frank Close
The asymmetric Universe
for 14-19 and upwards,
Lectures | 14-19 and upwards | 5 years ago | 716 views
Rating:

Modern scientific theory describes a perfectly symmetrical Universe. A Universe in which matter is destroyed within an instant of its appearance and where nothing we now know could ever have happened. Human life itself seems to be lopsided, as the sp....

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