40 results found for astronomy

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00:40:00

The Beginning and Development of the Universe

by George Smoot
The Beginning and Development of the Universe
for 18-22 and upwards,
Lectures | 18-22 and upwards | 9 years ago | 1518 views
Rating:

By careful investigation of relic left on the cosmic scene we have very good evidence and constraints on what has occurred since the beginning of the Universe. This talk reviews the evidence including images and information from the very first light....

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00:05:00

Gravity Waves

by James Pye
Gravity Waves
for 14-19 and upwards,
Highschool presentations | 14-19 and upwards | 9 years ago | 2302 views
Rating:

Theory and evidence for gravity waves

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00:02:00

Olber’s Paradox

by Various Presenters
Olber’s Paradox
for 14-19 and upwards,
Highschool presentations | 14-19 and upwards | 10 years ago | 2097 views
Rating:

Students explain why the sky is dark at night, despite there being many billions of bright stars.

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01:01:00

Discovery of a dynamic atmosphere at one of Saturn’s moons, Enceladus

by Michele Dougherty
Discovery of a dynamic atmosphere at one of Saturn’s moons, Enceladus
for 14-19 and upwards,
Lectures | 14-19 and upwards | 11 years ago | 2118 views
Rating:

In recent years, Enceladus, Saturn's sixth largest moon, has become a major attraction for scientists, with many believing it offers the best hope we have of discovering other life in our solar system. NASA's Cassini spacecraft has been orbiting Satu....

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01:01:00

The end of the world in 2012? Science communication and science scares

by Jocelyn Bell Burnell
The end of the world in 2012? Science communication and science scares
for 14-19 and upwards,
Lectures | 14-19 and upwards | 11 years ago | 6069 views
Rating:

21st December 2012 marks an ending of the Mayan calendar and is asserted by some to mark the end of the world. This scare is examined from an astronomical point of view, followed by some reflections on what the scare tells us about the communication ....

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00:47:00

Chasing Venus: the race to measure the heavens

by Andrea Wulf
Chasing Venus: the race to measure the heavens
for 14-19 and upwards,
Lectures | 14-19 and upwards | 11 years ago | 1765 views
Rating:

New York Times Best Selling and award-winning author Andrea Wulf tells the extraordinary story of the first global scientific collaboration set amid warring armies, hurricanes, scientific endeavour and personal tragedy. On 6 June 1761 and 3 June 1769....

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01:00:00

Stones from the sky: A heaven-sent opportunity to talk about science

by Colin Pillinger
Stones from the sky: A heaven-sent opportunity to talk about science
for 18-22 and upwards,
Lectures | 18-22 and upwards | 11 years ago | 1416 views
Rating:

Meteorites provide us with laboratory samples from distant bodies including asteroids, comets, the moon, Mars and even ancient stars. Witnesses to the extraordinary event when one is seen to fall from the sky, or anyone finding a sample on the ground....

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00:10:00

The Exploration of Mars

by Ryan Stevenson
The Exploration of Mars
for 14-19 and upwards,
Undergraduate presentations | 14-19 and upwards | 13 years ago | 1618 views
Rating:

After looking at Mars through telescopes for hundreds of years and seeing irrigation channels and it was believed that there could have been life on Mars. Many superstitions and movies made about life on Mars, including Orson Wells' War of the Worlds....

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00:06:00

Neutron Star

by Steve Milian
Neutron Star
for 14-19 and upwards,
Undergraduate presentations | 14-19 and upwards | 13 years ago | 1489 views
Rating:

Core-collapse supernovae and other things.

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The eerie silence – are we alone in the universe?

by Paul Davies
The eerie silence – are we alone in the universe?
for 14-19 and upwards,
Lectures | 14-19 and upwards | 14 years ago | 2278 views
Rating:

Fifty years ago, a young astronomer named Frank Drake pointed a radio telescope at nearby stars in the hope of picking up a signal from an alien civilization. Thus began one of the boldest scientific projects in history: the Search for Extraterrestri....

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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 | 14 years ago | 1689 views
Rating:

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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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 | 14 years ago | 5683 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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