小行星 2017 BQ6 雷達照

[peter]

小行星 2017 BQ6 雷達照 
http://www.universetoday.com/133390/asteroid-2017-bq6-looks-like-brick/



This composite of 25 images of asteroid 2017 BQ6 was generated with radar data collected using NASA’s Goldstone Solar System Radar in California’s Mojave Desert.



Feb. 6 and 7 with NASA’s 230-foot (70-meter) antenna at the Goldstone Deep Space Communications Complex in California and reveal an irregular, angular-appearing asteroid

[peter]

update


http://www.cnbeta.com/articles/584667.htm

这颗长约660英尺（200米）的小行星跟地球保持着相当安全的距离--两者之间大概相距了160万英里（250万千米）。