Radar images are improving as this video of 1998 WT24 shows. Only 400 meters across and 4.3 million km / 2.7 million miles away, this is great resolution. We have a VERY close encounter coming up today. At 12:07 today Asteroid 2105 YB is going to pass just 0.2 LD from the Earth. Thats only […]
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Telescopically 