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-, SPACE:  This artist impression image released by European Space Agency (ESA) shows Mars Express in orbit around Mars. Mars Express, launched by a Soyuz fregat 02 June 2003 will eject the Beagle 2 lander 19 December 2003. Beagle 2 will make its own way to the correct landing site on the surface. The orbiter will then manoeuvre into a highly elliptical capture orbit, from which it can move into its operational near-polar orbit. AFP PHOTO/ ESA /Illustration by Medialab   (Photo credit should read -/AFP/Getty Images)
-, SPACE:  This artist impression image released by European Space Agency (ESA) shows Mars Express in orbit around Mars. Mars Express, launched by a Soyuz fregat 02 June 2003 will eject the Beagle 2 lander 19 December 2003. Beagle 2 will make its own way to the correct landing site on the surface. The orbiter will then manoeuvre into a highly elliptical capture orbit, from which it can move into its operational near-polar orbit. AFP PHOTO/ ESA /Illustration by Medialab   (Photo credit should read -/AFP/Getty Images)

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Combustibles alternativos: Costa Rica y su apuesta por el hidrógeno

En Costa Rica, el astronauta Franklin Chang Díaz, fundador de Astra Rocket, es quien impulsa un proyecto de un ecosistema de transporte apoyado por hidrógeno que ya está listo para arrancar en abril.

Combustibles alternativos: Costa Rica y su apuesta por el hidrógeno

En Costa Rica, el astronauta Franklin Chang Díaz, fundador de Astra Rocket, es quien impulsa un proyecto de un ecosistema de transporte apoyado por hidrógeno que ya está listo para arrancar en abril.