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@Eugen
The certificate of mastodon.social has expired...
mastodon.social uses an invalid security certificate. The certificate expired on April 6, 2019, 1:08:25 PM GMT+2. The current time is April 6, 2019, 3:38 PM. Error code: SEC_ERROR_EXPIRED_CERTIFICATE



 
#venera #venus #space #spaceflight #solarsystem



 
#venera #venus #solarsystem #spaceflight #wikipedia