ARLA/CLUSTER: Será que um satélite espião dos Estados Unidos visitou a ISS.?

[João Costa > CT1FBF]

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.