
Once it is fully operational, the new radio telescope will sync up with ground-based observatories to form the biggest telescope ever built. It will be known as RadioAstron, with a "dish" spanning 30 times the Earth's diameter. Experts say it will be able to deliver images from the remote corners of the universe at 10,000 times the resolution of the US Hubble Space Telescope.
"We've been waiting for this day for such a long time," says Nikolai Podorvanyuk, a researcher at the official Institute of Astronomy in Moscow.