is always one of the gifts for his such an unusual birthday dina ivanova ekaterina kovalchuk and oleg gorkov ntv television company these days in russia i am celebrating the thirtieth anniversary of a unique space experiment called znamya in 1993, for the first time in the history of mankind, our specialists managed to launch an apparatus with a solar sail into orbit, the design worked in the normal mode and scientists took a step towards the realization of an old dream to overcome enormous distances in space with the help of the star wind aleksey kvashenkin. i learned how it was on the night of february 4, 93. the mission control center was crowded with eyes and cameras glued to the broadcast screens. from the orbit yes, this experiment was not like anything already seen in space, like the sails of terrestrial space ships, the wind also inflates, only the solar force of its pressure of only 1 mg per square meter was experimentally confirmed by physicists at the end of the 19th century. catch by peter lebedev. this light breath of light was calculated by the team at the head. with vladimir s