"Close Encounter: 2013 NK4 Asteroid Visible in Night Sky"

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Source: IFLScience
"Close Encounter: 2013 NK4 Asteroid Visible in Night Sky"
Photo: IFLScience
TL;DR Summary

Potentially hazardous asteroid 2013 NK4, between 400 and 1,000 meters across, made a close approach to Earth, passing harmlessly by more than eight times the distance to the Moon. NASA imaged the asteroid and discovered it may be a contact binary asteroid. While it made its closest approach on April 15, it should still be visible with a telescope on April 16 and 17.

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