Britain's most senior judges will rule if Theresa May has the power to trigger the formal process for the UK's exit from the European Union.
Edinburgh Airport Marks 100 Years
Scotland's busiest airport is celebrating its 100th birthday.
Edinburgh Airport began life on March 2 1916 as a Royal Flying Corps aerodrome named Turnhouse and was a key military base for the remainder of the First World War.
The British Airports Authority (BAA) took over ownership of the airport on April 1, 1971. Initial stages of the redevelopment began two years later and the terminal building, designed by Sir Robert Matthew, was officially opened by the Queen on May 27, 1977.
BAA sold Edinburgh Airport to Global Infrastructure Partners in April 2012 and the airport has since experienced increasing growth, with passenger traffic reaching a record level in 2015 of 11.1 million.
Airport chief executive Gordon Dewar said: "Today is a landmark date as we set out our plans in the months ahead to celebrate 100 years of air travel at Edinburgh Airport.
"Although clearly focused on delivering future growth at Edinburgh Airport, we have a rich and long history here, and we aim to involve as many people as possible in celebrating this great centenary story.
"We will be planning a series of events including parties, limited edition giveaways and competitions to come in the months ahead.
"Our passengers and adults and kids in the local community will be invited to get involved as we offer limited edition giveaways, host competitions and hold a major party to come in the months ahead.''
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