Montreal Biosphere
Basic information
Originally the American Pavilion at the Universal and International Exhibition of 1967, better known as Expo 67 . In 1968 the building takes its name: the Biosphère
The building originally formed an enclosed structure of steel and acrylic cells, 76 metres (249 ft) in diameter and 62 metres (203 ft) high
The building included a 37-metre-long (121 ft) escalator, the longest ever built at the time.
From 20 May 1976 until 1990 ( wnen plan for develop was approved), site remain closed after the accidental fire during structural renovations. A fire burned away the building's transparent acrylic bubble.
On June 5 1995, it was inaugurated as a water museum, and in 2007 changed its name to become an environment museum.
On 12 April 2021, The operation of the museum is transferred to Space for Life.
Half birthday 
Next half birthday falls on
Age in different time units
Planet Age
How old Montreal Biosphere would be if it was opened on a different planet
- 31 days from now, August 8, 2025, Montreal Biosphere celebrate 242nd Mercury age
- 39 days from now, August 16, 2025, Montreal Biosphere celebrate 31st Mars age
- 50 days from now, August 27, 2025, Montreal Biosphere celebrate exactly 700 months
- 89 days from now, October 5, 2025, Montreal Biosphere celebrate 95th Venus age
- 111 days from now, October 26, 2025, Montreal Biosphere celebrate 59th half birthday
- 119 days from now, November 4, 2025, Montreal Biosphere celebrate 243rd Mercury age
- 207 days from now, January 31, 2026, Montreal Biosphere celebrate 244th Mercury age
- 255 days from now, March 20, 2026, Montreal Biosphere celebrate 2nd Saturn age
- 270 days from now, April 4, 2026, Montreal Biosphere celebrate exactly 31,000,000 minutes
- 293 days from now, April 27, 2026, Montreal Biosphere celebrate 59th birthday