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Monster Movers
BBC Earth
|July - August 2019
Think moving house is difficult? Take a look at the gargantuan machines that are needed to move rockets, wind turbines, Antarctic bases and even entire buildings

SNOW EASY TASK
HALLEY ANTARCTIC RESEARCH STATION
‘Big Red’ is the affectionate name for the main living area in the British Antarctic Survey’s Halley Research Station. It houses a dining room, kitchen, walk-in fridge, lounge, gym and a small bar. Empty, it weighs about 220 tonnes. In early 2017, when the entire station had to be moved 24km east (due to a crack in the Brunt Ice Shelf on which it sits), Big Red was one of the largest items on the shift list. Moving it required two bulldozers as well as a ‘snow groomer’ called a PistenBully, and took almost five hours. Now back at their relocated base, Halley researchers continue to monitor the cracks in the ice shelf, study polar climate change and search for Antarctic meteorites.
A STELLAR JOB
ALMA TELESCOPE ANTENNA
Astronomers in the Atacama Desert, Chile, are observing nearby galaxies to understand how stars are formed. Their work wouldn’t be possible without the help of ALMA, the Atacama Large Millimeter/ submillimeter Array, whose 66 separate antennas are spread across the Chajnantor Plateau, 5km above sea level, to form a giant telescope. The antennas don’t stay put, though; they’re constantly being moved around – at a rate of about three a week – to bring different celestial objects into focus. “Astronomers request their preferred telescope configurations based on the resolution and field of view of the targets they want to observe,” says Dr Norikazu Mizuno, ALMA’s head of engineering. In the image below, an antenna travels aboard ‘Lore’, one of two 20-metre-long transporters used to reposition the antennas. It’s a slow process though – when they’re loaded down like this, the transporters can only trundle
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