Thank you @ewass2017 and #Prague for an amazing week in astronomy! Next stop, the ICRC in Busan, South Korea. See y… https://t.co/K3q62BW77r

Thank you @ewass2017 and #Prague for an amazing week in astronomy! Next stop, the ICRC in Busan, South Korea. See y… https://t.co/K3q62BW77r