DID A SPY SATELLITE JUST VISIT THE ISS? Consider it a "close encounter of the classified kind." According to independent satellite analysts, a US reconnaissance satellite launched in May has just visited the International Space Station, effectively circling the ISS a short distance outside its collision avoidance box. What was it doing there? Visit today's edition of Spaceweather.com for possible answers ... and observing tips. The satellite, USA 276, is about as bright as a 3rd magnitude star and future ISS-satellite encounters may be visible to backyard sky watchers.
Above: This space weather alert is brought to you by Earth to Sky Calculus. Unique gifts from the edge of space may be found in the Earth to Sky Store ... just in time for Father's Day.