Dr Marco Langbroek

@Marco_Langbroek

Palaeolithic archaeologist (PhD), guest researcher at VU University Amsterdam. Spy satellite tracker, amateur astronomer. Asteroid (183294). Opinions my own

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Photo: this #asteroid (2011 MD) passed twice as close to earth in 2011 as 2012 DA14 will do on Feb 15th #PHA

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595 days ago

Photo: this #asteroid (2011 MD) passed twice as close to earth in 2011 as 2012 DA14 will do on Feb 15th #PHA

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