Share with friends and circles of friends with wechat scanning QR code < / P > < p > < November 16. On Monday, local time, the U.S. State Department announced that Russia destroyed one of its in orbit satellites with land-based missiles, causing thousands of pieces of debris to spread into earth orbit. The United States has identified more than 1500 traceable fragments and thousands of smaller fragments that cannot be tracked < p > at the same time, Roscosmos of the Russian space agency said that because the international space station will approach a large mass of space debris every 90 minutes (one round the earth), the seven astronauts stationed on it had to choose to take refuge locally this morning. NASA has not confirmed whether the space debris passing the international space station came from Russia's ASAT Test, and the agency did not immediately respond to a request for comment < p > however, the US State Department said that these space debris posed a danger to the international space station. "This test will greatly increase the risks of astronauts on the international space station and other human space activities. This dangerous and irresponsible behavior of Russia endangers our long-term sustainability in space," said ned price, a spokesman for the agency < / P > < p > the US space command, which is responsible for tracking space objects and debris orbiting the earth, said in a statement that the Department was "aware of a debris generation event in space" this morning < p > the U.S. space command said: "we are actively identifying the characteristics of debris areas and will continue to ensure that all space countries have the necessary information to manipulate satellite maneuvers when affected. We are also working with cross sectoral agencies, including the State Department and NASA, and will provide updates in the near future." < / P > < p > in the past few years, The US space command has been tracking anti satellite tests from Russia. In 2020, the Department reported two tests of Russian anti satellite technology (nudol). However, neither test seems to have really destroyed any targets in space < p > Leo labs, a private space tracking company, confirmed on twitter that they observed multiple objects around the old Russian satellite named Kosmos 1408, which is said to be the target of anti satellite testing. Space tracking expert Jonathan McDowell said that if the situation is true, the debris cloud generated by the test is likely to be the debris cloud threatening the international space station this morning < p > during the first few passes of the international space station through the debris cloud this morning, some astronauts hid in the manned dragon flying ship of SpaceX, which is currently docking with the international space station. It just sent four new astronauts to the space station last week. However, the astronauts finally opened the cabin door of the spacecraft and entered the international space station. There are currently seven people living on the international space station, two of whom are Russian astronauts < p > Roscosmos of the Russian space agency later confirmed: "at present, the staff of the international space station are carrying out routine operations according to the flight plan. Today, the debris that forced astronauts to enter the spacecraft according to standard procedures has left the orbit of the international space station, and the space station is in a safe area." < / P > < p > NASA, Roscosmos and their partners regularly monitor the space around the space station "Safety fence". The orbit of the space station often needs maneuvering to avoid space debris entering the area. < / P > < p > CBS space reporter William Harwood wrote on Twitter: "the details are not clear, but the seven crew members of the International Space Station hid in the manned dragon spacecraft earlier today because they are expected to approach (or pass through) "Debris cloud" caused by satellite disintegration. "< / P > < p > this is the standard procedure of the space station. Astronauts should withdraw into the spacecraft in case of any emergency. (small) < / P > < p >