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Night sky guide for January 2018 - Supermoon, Quadrantids, Blue Moon, Total Lunar Eclipse - The Watchers
Augmentation of a Southern Hemisphere Deep Space Bistatic Radar with Small Optical Systems to Detect Near Earth and other Space
![ESA Operations on Twitter: "Wow. Asteroid 1998 OR2 tumbling through space seen by the Arecibo observatory. They confirm the space rock is ~ 2 km in diameter and rotates once every 4.1 ESA Operations on Twitter: "Wow. Asteroid 1998 OR2 tumbling through space seen by the Arecibo observatory. They confirm the space rock is ~ 2 km in diameter and rotates once every 4.1](https://pbs.twimg.com/tweet_video_thumb/EWRI-64WsAAtOuK.jpg)
ESA Operations on Twitter: "Wow. Asteroid 1998 OR2 tumbling through space seen by the Arecibo observatory. They confirm the space rock is ~ 2 km in diameter and rotates once every 4.1
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