Related by context. Frequent words. (Click for all words.) 42 ESA 40 space 34 SPACEHAB 34 Systems Mission Directorate 33 Hubble servicing 33 Doug Lowenstein 32 planetary missions 32 microgravity 32 fiscally responsible manner 32 EVAs 32 planetary exploration 31 Jean Jacques Dordain 31 human spaceflight 31 NASA Goddard 31 do 31 Tim Kopra 31 CubeSat 31 GMES 31 LASP 31 intresting news 30 NASA 30 spaceflight 30 spaceflights 30 Eyharts 30 Space Agency 30 want 29 need 29 ESA astronaut 29 Launch Vehicle 29 orbit 29 ARISS 29 needs 29 Roskosmos 29 GLAST 29 ARTEMIS 29 Earth Observation 29 zero gravity 29 wanted 29 strive 29 lunar missions 29 Anatoly Perminov 28 ISS 28 JWST 28 Automated Transfer Vehicle 28 HRSC 28 JAXA 28 EUROCONTROL 28 chief Anatoly Perminov 28 needed 28 GOCE 28 NASA Headquarters 28 weightlessness 27 wants 27 CMSWire speaks 27 spacecraft 27 Nespoli 27 Gregory Chamitoff 27 Earth orbit 27 Planck 27 outer space 27 AEHF 27 Cernan 27 AMSAT 27 Garriott 27 orbital 27 Space 27 Mike Suffredini 27 strives 27 Hubble 27 RSC Energia 27 astronaut Peggy Whitson 26 payload bay 26 CALIPSO 26 Bill Gerstenmaier NASA 26 lunar outpost 26 SuitSat 26 sure 26 COM DEV 26 sub orbital 26 Simply login 26 EUMETSAT 26 Orion spacecraft 26 STS 26 necessary 26 Planetary Society 25 Paolo Nespoli 25 orbiting 25 does 25 Spacehab 25 reprioritizing 25 striving 25 without compromising 25 workspace 25 NPOESS 25 Astrium 25 Atlas V 25 CEV 25 subleasing 25 orbiter 25 astronauts 24 Nicole Stott