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Spacecraft is close to a comet – level 2
13-08-2014 07:00
People launched a spacecraft in March 2004. It traveled...Solar plane – level 2
13-06-2014 07:00
A revolutionary plane made its first flight in Switzerland....
13-08-2014 07:00
People launched a spacecraft in March 2004. It traveled...13-06-2014 07:00
A revolutionary plane made its first flight in Switzerland....