NASA’s Voyager 2 probe is approaching interstellar space and has detected an increase in cosmic rays that originate outside our solar system, the U.S. space agency said. Launched in 1977, Voyager 2 is a little less than 17.7 billion km away from the earth.PTI
Source : https://www.thehindu.com/todays-paper/tp-life/nasa-probe-nearing-interstellar-space/article25152188.ece
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