Helaas, de lancering van de Duitse röntgensatelliet eROSITA is uitgesteld naar minstens 12 juli. Hij vliegt mee met de Russische Spektr-RG satelliet. Thread on eROSITA, a German-Russian observatory for high-energy astrophysics! Launch was cancelled today, not the first time they initiated and didn't launch. Space is *dangerous*, so cancelling & re-scheduling is preferable to possibly … Meer lezen over AstroTweets van de Week