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The Deep Submarine Telescope, built since 2015, is designed to monitor neutrinos, the smallest particles currently known.
The Baikal-GVD telescope dived to a depth of 750-1300 meters, about four kilometers from the shore of the lake.
Neutralization is very difficult to detect and water is an effective means of doing so.
The floating observatory consists of ropes with spherical glass and stainless steel modules attached to them.
Saturday March 13. The researchers watched as the modules were carefully lowered into the water through a rectangular ice hole.
“Half a cubic kilometer of neutrino measurement telescope is under our feet,” said Dmitry Naumov, a scientist at the Joint Institute for Nuclear Research, standing on the icy surface of the lake.
In a few years, the telescope will be enlarged to measure a full cubic kilometer, he said.
The Baikal Telescope is not the only neutrino-capturing telescope: The Ice Cube, a giant neutrino observatory, is buried at the South Pole, under the ice of Antarctica, in a US research station.
Russian scientists say the telescope is the largest neutrino detector in the Northern Hemisphere, and Lake Baikal, the world’s largest and deepest freshwater lake by volume, is ideal for setting up a floating observatory.
“Of course, Lake Baikal is the only lake where a neutrino telescope can be deployed, due to its depth,” said Bairo Shoibonov, a scientist at the Joint Institute for Nuclear Research. “Fresh water and water transparency are also important. And it is also very important that there is a layer of ice for about two months to help maintain the equipment.
The telescope is the result of a collaboration between scientists from the Czech Republic, Germany, Poland, Russia and Slovakia.
