Related by context. Frequent words. (Click for all words.) 61 extrasolar 59 planetary nebulae 58 Type Ia supernovae 58 stellar nurseries 58 Cepheids 58 galaxy formation 56 interferometric 56 photoluminescence 56 supernova remnants 56 nanosized 56 spectroscopic 56 X ray telescopes 55 chemical reactivity 55 photosphere 55 metallicity 55 collimated 55 active galactic nuclei 55 Spectroscopic 54 plasmon 54 protostar 54 elemental composition 54 interstellar clouds 54 spectral imaging 54 supramolecular 54 inhomogeneous 54 numerical simulation 54 protoplanetary disk 54 magnetars 54 protoplanetary disks 54 Earthlike planets 54 globular clusters 54 protostars 53 numerical simulations 53 moonlets 53 superlens 53 nanoporous 53 Supernovae 53 ion beams 53 gravitational lensing 53 lunar craters 53 nanomechanical 53 X ray emission 53 neutron scattering 53 morphologies 53 microlensing 53 supernova explosions 53 numerical modeling 52 gravitational lens 52 noctilucent clouds 52 supernovas 52 fluorescing 52 photometry 52 radial velocity 52 photometric 52 supercomputer simulations 52 Magellanic Clouds 52 elliptical galaxies 52 solar corona 52 XMM Newton 52 Hawking radiation 52 paramagnetic 52 dwarf galaxies 52 mesoscale 51 Carina Nebula 51 astrophysical 51 microscopy techniques 51 superclusters 51 AKARI 51 interferometry 51 Hubble observations 51 optical wavelengths 51 magnetic susceptibility 51 substorm 51 Diviner 51 confocal microscopy 51 spectrographs 51 semiconductor nanocrystals 51 nanorod 51 icy moons 51 nanocrystalline 51 optical biosensors 51 microstructural 51 rocky planets 51 Orion Nebula 51 oscillatory 51 supernova explosion 51 interferometers 51 dispersive 50 superconducting materials 50 nanobacteria 50 microfabricated 50 nanometer sized 50 nanoscopic 50 fluorescence microscope 50 Galaxy Evolution 50 planets circling 50 Raman scattering 50 Nanotube 50 soliton 50 NSLS 50 distant galaxies