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BBC 4The Sky at Night

Your monthly journey through the fascinating world of space and astronomy.

The Sky at Night Episodes

Is Cosmology In Crisis?

The Sky At Night - Is Cosmology In Crisis?

Ever since we discovered that distant galaxies are racing away from us, there has been a heated debate over just how fast the Universe is expanding.\n\nAt the beginning of the 2 ...

14-02-2019

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Beyond Pluto

The Sky At Night - Beyond Pluto

On 1 January 2019, Nasa's New Horizons probe notched up another historic first: the first ever Kuiper belt fly-by. Its target was 2014 MU69, a chunk of ice and rock about f ...

17-01-2019

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Telescope On A Plane!

The Sky At Night - Telescope On A Plane!

Telescope on a Plane!\n\nIn this special programme, the Sky at Night takes to the air on board the largest airborne observatory in the world – a specially modified jumbo j ...

09-12-2018

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First Rock From The Sun

The Sky At Night - First Rock From The Sun

Documentary series. Mercury, unique amongst the planets, is shrinking. And that's only the beginning of how strange the solar system's smallest planet is. In October 2 ...

22-11-2018

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Space Britannia

The Sky At Night - Space Britannia

The Sky at Night investigates Britain's attempt to become a major player in the modern space race. From Scotland's wild northern shore, where Britain's first spac ...

18-10-2018

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Death Star

The Sky At Night - Death Star

One evening in early September 1859, a spectacular blood-red aurora borealis appeared across America. Earlier that same day, in a leafy garden in the UK, a gentleman astronomer ...

16-08-2018

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Outback Astronomy

The Sky At Night - Outback Astronomy

In February 2018, news broke that astronomers had seen the cosmic dawn - the moment when stars first formed, flooding the universe with light. What's remarkable is that thi ...

12-07-2018

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Jupiter: Up Close And Personal

The Sky At Night - Jupiter: Up Close And Personal

Nasa's Juno spacecraft is currently making its 13th orbit of Jupiter on one of the most ambitious and risky space missions ever undertaken. The astonishing images it has ca ...

14-06-2018

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Guides: 2. Galaxies

The Sky At Night - Guides: 2. Galaxies

Galaxies are the building blocks of the universe. Our solar system sits inside a huge galaxy that we call the Milky Way - home to as many as 300 billion stars. But the Milky Way ...

24-05-2018

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Gaia: A Galactic Revolution

The Sky At Night - Gaia: A Galactic Revolution

For past three and a half years, ESA's Gaia Space telescope has been mapping the heavens in unprecedented detail. At the end of April 2018 it released precise data on over ...

17-05-2018

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Guides: 1. Planets

The Sky At Night - Guides: 1. Planets

The planets have fascinated us for millennia, but over the past 60 years our understanding of them has been transformed. Using The Sky at Night archives, Maggie Aderin-Pocock ta ...

17-05-2018

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Mars: Red And Dead?

The Sky At Night - Mars: Red And Dead?

Maggie Aderin-Pocock and Chris Lintott reveal the latest results from Nasa's Curiosity and Esa's ExoMars TGO missions that are attempting to find signs of life on Mars ...

12-04-2018

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The Mystery Of 'oumuamua

The Sky At Night - The Mystery Of 'oumuamua

In October 2017, astronomers made a spectacular discovery - they spotted the first ever object to visit our solar system from outer space. They gave it a suitably exotic name... ...

15-02-2018

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The Invisible Universe

The Sky At Night - The Invisible Universe

The Sky at Night reports on one of the most unnerving discoveries in space science - that most of the universe is missing.\n\nWe live in a material world, so instinctively we kn ...

18-01-2018

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Wonders Of The Night Sky

The Sky At Night - Wonders Of The Night Sky

The Sky at Night celebrates one of the most profound, moving and enjoyable activities there is - the ancient art of looking up, studying and marvelling at the night sky. The pro ...

10-12-2017

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In The Blink Of An Eye

The Sky At Night - In The Blink Of An Eye

We're used to thinking that the universe operates on timescales of millions or even billions of years, where change happens with imperceptible slowness. But now we've ...

16-11-2017

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Telescope Takeover

The Sky At Night - Telescope Takeover

The team travel to the island of La Palma in the Canary Islands where they take control of some of the world's largest telescopes to view the most spectacular sights in the ...

12-02-2017

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Life On Mars

The Sky At Night - Life On Mars

13-11-2016

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Second Earth?

The Sky At Night - Second Earth?

As we close in on the discovery of the 2,000th planet outside our solar system, or exoplanet, the Sky at Night investigates the techniques that are revealing so much about these ...

08-11-2015

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Cosmic Blasts

The Sky At Night - Cosmic Blasts

The Sky at Night team look at cosmic explosions. They explore the beautiful but potentially deadly outbursts of our very own star - the sun - and the most violent and energetic ...

09-08-2015

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Hubble: The Five Greatest Images Of The Cosmos

The Sky At Night - Hubble: The Five Greatest Images Of The Cosmos

For 25 years the Hubble Space Telescope has been showing us the cosmos as we've never seen it before. The team reveals the 'top five' greatest images Hubble has p ...

12-04-2015

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What Have Ufos Done For Us?

The Sky At Night - What Have Ufos Done For Us?

From unexplained flashes in the night sky to flying saucers, this episode delves into the mysterious world of UFOs. How our drive to explain these bizarre phenomena, and desire ...

08-02-2015

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Ice Giants

The Sky At Night - Ice Giants

The team explores the vast frozen worlds of Uranus and Neptune, while astro-photographer Damian Peach shares his tips for capturing these jewels of the night sky.

12-10-2014

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The Hunt For Et

The Sky At Night - The Hunt For Et

Are we alone? Geneticist Dr Adam Rutherford seeks to define what life is and Maggie Aderin-Pocock explores our chances of finding it in the universe.

14-09-2014

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How To Catch A Comet

The Sky At Night - How To Catch A Comet

The team is at mission control as the Rosetta probe catches up with the comet it has been chasing across the solar system and prepares to send out a lander.

11-08-2014

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The Brightest Star

The Sky At Night - The Brightest Star

The team explore stargazing in the daytime, show how seasons change on other planets across the solar system and examine what makes the sun special.

13-07-2014

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Impacts

The Sky At Night - Impacts

The team looks at the cosmic impacts which have shaped the universe around us, from asteroids crashing into the surface of the moon to galaxies colliding with each other.

15-06-2014

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How Gravity Shapes The Universe

The Sky At Night - How Gravity Shapes The Universe

The team travels to the Brecon Beacons AstroCamp to see how gravity shapes the universe. Chris finds out about the newest moon in the solar system.

18-05-2014

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