radio telescope

  • How far can a radio telescope see?

    radio telescope is also called radio telescope. It is very different from the optical astronomical telescope invented by Galileo. It does not receive the light of celestial bodies, but the radio waves emitted by celestial bodies. the earliest radio telescope was invented by yansky, an engineer of Bell Telephone Company in 1932. In 1931, jansky, who was responsible for searching and identifying telephone interference signals in Bell Laboratories, New Jersey, found that there was a radio interference with a maximum value every 23 hours, 56 minutes and 04 seconds. After…

    May 29, 2022
  • The 40m radio telescope of Yunnan Observatory has successfully realized evlbi observation

    On September 17, the radio astronomy group of Yunnan Observatory, Li Zhixuan, Chen Wen and others, organized and implemented the broadband network transmission and real-time relevant astronomical joint scientific observation of the 40m radio telescope and the European VLBI network (evn), successfully realized the evlbi observation, and provided a large number of long baseline real-time observation data for the scientific research of Chinese and foreign astronomers Very long baseline interferometer (VLBI) is an astronomical technology that can synthesize the radio signals of radio telescopes all over the world and carry…

    May 17, 2022
  • Why is there no Chinese radio telescope for this observation of the black hole in the center of the Milky Way galaxy?

    On May 12, 2022, the Shanghai Observatory of the Chinese Academy of Sciences jointly announced the supermassive black hole in the center of our Milky Way Galaxy &mdash— Photo of Sagittarius A * (agr *) black hole, this is &ldquo Event horizon telescope (EHT) ” Another great achievement of the project Issued by Shanghai Observatory, Chinese Academy of Sciences (provided by EHT) “ Event horizon telescope; The project is an international cooperation organization with the participation of more than 30 universities, astronomical observatories and other research units from 12 countries…

    May 13, 2022 science