30 results found for astronomy

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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 | 2289 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 | 1704 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 | 5695 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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01:21:00

Touchdown on Titan

by John Zarnecki
Touchdown on Titan
for 14-19 and upwards,
Lectures | 14-19 and upwards | 14 years ago | 1535 views
Rating:

After an interplanetary journey of 7 ¬ years, the ESA's probe Huygens landed on the surface of Saturn's largest moon, Titan. Professor Zarnecki describes the journey of the probe as well as its final dramatic plunge to the surface and presents the r....

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00:07:00

Antikythera Mechanism Part 1

by Alexander Jones
Antikythera Mechanism Part 1
for 14-19 and upwards,
Lectures | 14-19 and upwards | 14 years ago | 2020 views
Rating:

New interpretations of the Antikythera Mechanism reveal that it could be used to predict eclipses, and that it had a dial recording the dates of the ancient Olympiads. The 2,000-year-old box of intricate gearwork provides a glimpse of the engineering....

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00:08:00

Antikythera Mechanism Part 2

by Alexander Jones
Antikythera Mechanism Part 2
for All ages,
Lectures | All ages | 14 years ago | 2139 views
Rating:

New interpretations of the Antikythera Mechanism reveal that it could be used to predict eclipses, and that it had a dial recording the dates of the ancient Olympiads. The 2,000-year-old box of intricate gearwork provides a glimpse of the engineering....

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00:10:00

Voyages through the heliosphere

by Alan Cummings
Voyages through the heliosphere
for 14-19 and upwards,
Lectures | 14-19 and upwards | 14 years ago | 1409 views
Rating:

A series of papers in Nature analyse recent observations from the outer limits of the Solar System, and help build up a picture of how the Sun interacts with the rest of the Galaxy.

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00:10:00

Mega-impact on Mars

by Maria Zuber
Mega-impact on Mars
for 14-19 and upwards,
Lectures | 14-19 and upwards | 14 years ago | 1731 views
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Scientists have identified what could be the largest impact structure in the Solar System, created on Mars at about the same time as the Moon-forming impact on Earth.

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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 | 14 years ago | 1959 views
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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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00:53:00

Tick, Tick Pulsating Star: How we wonder what you are?

by Jocelyn Bell Burnell
Tick, Tick Pulsating Star: How we wonder what you are?
for 18-22 and upwards,
Lectures | 18-22 and upwards | 15 years ago | 2761 views
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The discovery of pulsars, neutron stars which form when massive stars explode (supernovae), took astronomers by surprise. Their discovery is described and the way in which these bizarre objects have led to an understanding of matter under extreme con....

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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 | 15 years ago | 2558 views
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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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00:57:00

Overview of the Universe

by Harry Kroto
Overview of the Universe
for 14-19 and upwards,
Lectures | 14-19 and upwards | 15 years ago | 3153 views
Rating:

An overview of the Universe and its component parts e.g. galaxies, stars, planets etc.

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