Related by context. Frequent words. (Click for all words.) 50 Mauna Kea Hawaii 48 CfA 48 LOFAR 47 STScI 46 Mangena 45 Paranal 45 Planetary Science Institute 45 Keck Observatory 45 CSIR 44 Lick Observatory 44 Mabunda 44 National Astronomical Observatory 43 Tladi 43 Astrophysicist 42 Maphalala 42 Southern Observatory ESO 42 Gemini Observatory 42 Kitt Peak 42 WM Keck Observatory 42 NRAO 42 Hawaiian Volcano Observatory 41 Govender 41 VLBI 41 Viviers 40 Rothera 40 NIWA 40 Oceanography Centre 40 Observatories 40 Seismologist 40 Makhubu 40 Geoscience 40 Astronomical Observatory 40 Naidoo 40 Rutherford Appleton 40 National Optical Astronomy 40 Shipanga 40 CALIPSO 39 Rothamsted Research 39 Madala 39 Jülich 39 ANU 39 Mkhwanazi 39 planetary geologist 39 VIRTIS 39 ESO 39 EarthScope 39 Astronomy 39 GISS 39 Nduna 39 Plaatjies 39 NASA Goddard 39 Keck telescope 38 Pan STARRS 38 Palomar Observatory 38 Nkuhlu 38 optical telescope 38 Ezemvelo KZN Wildlife 38 MBARI 38 Nehru Planetarium 38 Mogotsi 38 Maqubela 38 planetary scientist 38 Moseki 38 Pillinger 38 Mlotshwa 38 Garching Germany 38 Observing System 38 Gwebu 38 Comet McNaught 38 Gelvandale 37 Tembe 37 Oxburgh 37 Garsfontein 37 EMBL 37 Summerstrand 37 British Antarctic Survey 37 astrophysical 37 Observatory 37 ESRF 37 CSIRO 37 Tshwane Metro Police 37 USGS geologist 37 Matongo 37 Astrophysics 36 COROT 36 Polarstern 36 Lowell Observatory 36 Antarctica 36 Astronomer 36 Ntsaluba 36 Climate Prediction 36 Galaxy Evolution 36 optical telescopes 36 Rattenbury 36 observatory 36 ESO Very Large Telescope 36 CIRS 36 RCCNZ 36 vulcanologist 36 Maistry 36 Arecibo Observatory