From : France boldly enters next frontier in space exploration: Timmins, Ont.
France had a problem. The country’s space agency has been at the
forefront of ballooning for a half-century, sending helium-filled
balloons high into the atmosphere to study everything from ozone
depletion over the North Pole to monsoons in West Africa and the
accuracy of satellite solar cells.
But these mammoth balloons,
which can stretch as tall as the Eiffel Tower and as wide as an NHL
arena, require wide-open spaces to be launched, hard to find nowadays in
France.
Enter Timmins, Ont.
The Northeastern Ontario mining city will
become home to a new space-balloon launch site, a partnership between
the Canadian Space Agency and France’s Centre National d’Études
Spatiales (CNES). Canada’s space agency is committing $10-million to the
cost of construction and flights in which it participates, while the
French are providing their expertise and balloons, pledging to fly one
in Timmins about every two years. Canada will also be involved in French
missions in other countries.
The collaboration marks a return to ballooning for Canada after funding for these flights was scaled back about a decade ago.
Space
balloons (near space, really) can carry up to 1.5 tonnes of equipment
into the stratosphere, soaring higher than an aircraft but lower than
satellites. They are relatively low cost and ideal for training the next
generation of scientists and engineers, said Daniel Lévesque of the
Canadian Space Agency.
“They need to get their hands dirty. They
need to get their experience,” said Mr. Lévesque, one of the Timmins
project managers. “Having a lot of flight opportunity will allow us to
keep our scientists interested in this field. To keep our brains in
Canada.”
Public money for science and space missions is tough to
come by at the best of times, let alone during a lingering economic
downturn. Ottawa is facing stiff criticism from scientists for reducing
funding for environmental research, while budgetary pressures in the
United States, long dominant in planetary exploration, have forced NASA
to shelve high-profile plans, such as orbiting Europa, one of Jupiter’s
moons.
Canada’s modest space program has always counted on
partnering with other countries, chiefly the U.S., noted Chris Gainor, a
vice-president of the Royal Astronomical Society of Canada. The
country’s first satellite, Alouette, for instance, was launched 50 years
ago on a U.S. rocket.
The Timmins mid-latitude balloon base,
which will be constructed at the city’s airport, is the first space
collaboration between Canada and France, whose space agency has
participated in more than 3,500 balloon launches, working with countries
such as Sweden, Japan, Russia and the U.S. It is expected to foster
further scientific collaboration between the two countries.
France
approached Canada about building a balloon launch site a few years ago.
Although balloon missions don’t capture as much attention as rocket
launches, they have contributed to our understanding of Earth’s
environment and atmosphere and of outer space. Unlike rockets that zip
through the stratosphere in minutes, helium balloons can hover for
hours, days or even months, allowing telescopes, sensors and other
scientific instruments to collect vital data for research.
Some of
France’s most important ballooning work has focused on the depletion of
the ozone layer and the role of chlorofluorocarbons and other
chemicals, noted Marie-Anne Clair, director of ballooning activity for
CNES. Balloons have also been used to test equipment destined for higher
altitudes.
In Timmins, the French space agency plans to launch a
mission called PILOT, expected in the fall of 2013. A balloon that
expands to 800,000 square metres – the biggest balloon that CNES has –
will carry a powerful telescope 42 kilometres into the sky. The scope
will measure interstellar dust polarization with unprecedented accuracy,
dust that could help scientists better understand the evolution and age
of the universe.
Canada’s ballooning missions haven’t been
determined yet. The Canadian Space Agency plans to invite scientists and
engineers to its Quebec headquarters in the fall to pitch ideas, Mr.
Lévesque said.
The agency’s last balloon mission was MANTRA in
2004 and involved scientists from Environment Canada, the University of
Toronto, York University and the University of Waterloo. The balloon set
off from a private airfield in Vanscoy, Sask., about 30 kilometres
southwest of Saskatoon, soaring 40 kilometres into the sky to study the
state of the ozone layer over Canada.
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