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The BBC North East & Cumbria region started in 1959 (tbc) as part of the BBC Television Service, before becoming BBC One North East & Cumbria.

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BBC One is a TV channel that started broadcasting on the 20th April 1964. It replaced BBC Television.

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Orbit: Earth's Extraordinary Journey

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Until 03/01/2009 BBC Two Wales (analogue) was known simply as BBC Two Wales. BBC Two Wales (digital) was BBC 2W. From 03/01/2009 BBC Two Wales schedules on both analogue and digital became identical

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Simulcast of network BBC One in high definition. From 03/11/2010

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The BBC West region started on 1st September 1957 as part of the BBC Television Service, before becoming BBC One West.

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The BBC South West region started on 20th April 1961 as part of the BBC Television Service, before becoming BBC One South West.

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The BBC South region started on 5th January 1961 as part of the BBC Television Service, before becoming BBC One South.

BBC One South

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BBC One region covering Derbyshire, Leicestershire and Nottinghamshire.

BBC One East Midlands

The BBC East region started on 1st May 1959 as part of the BBC Television Service, before becoming BBC One East.

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Formerly part of a wider BBC One South East region that included London and part of the South region. Separated from BBC One London 2001-09-03 following reorganisation of the South East region.

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BBC Northern Ireland region started on 19th April 1955 as part of the BBC Television Service, before becoming BBC One Northern Ireland.

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BBC Four HD

Simulcast of network BBC Two in high definition.

BBC Two HD

Simulcast of BBC Two Wales in high definition

BBC Two Wales HD

A BBC TV channel for Scotland which will broadcast every evening and will show drama, factual, comedy and news programmes made in Scotland

Simulcast of BBC Two Northern Ireland in high definition

BBC Two Northern Ireland HD

BBC Scotland HD

Kate Humble

Helen Czerski

Dick Taylor

Jonathan Renouf

Stephen Marsh

Orbit: Earth's Extraordinary Journey: Episode 1

Episode 1

BBC Two - Orbit: Earth's Extraordinary Journey, Episode 1Search BBC

Following the Earth's orbit from July to the December solstice.

Kate Humble and Dr Helen Czerski follow the Earth's voyage around the sun for one complete orbit, travelling first from July to the December solstice and showing its effect.

Right now you're hurtling around the sun at 64,000 miles an hour (100,000km an hour). In the next year you'll travel 584 million miles, to end up back where you started. 

Presenters Kate Humble and Dr Helen Czerski follow the Earth's voyage around the sun for one complete orbit, to witness the astonishing consequences this journey has for us all. 

In this first episode they travel from July to the December solstice, experiencing spectacular weather and the largest tides on Earth. To show how the Earth's orbit affects our lives, Helen jumps out of an aeroplane and Kate briefly becomes the fastest driver on Earth.

BBC Two

BBC Two is a TV channel that started broadcasting on the 20th April 1964.

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BBC Two is a lively channel of depth and substance, carrying a range of knowledge-building programming complemented by great drama, comedy and arts.

Factual: Science & Nature

The ultimate guide to how the tilt of the Earth influences our weather

Right now you're hurtling around the Sun at a hundred thousand kilometres an hour. Join Kate Humble and Dr Helen Czerski as they explore the relationship between the Earth's orbit and the weather

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Orbit: Earth's Extraordinary Journey

Episode 1

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