gravitational attraction, jovian, circumstellar, exosphere, nucleon, protostar, moonlet, spheroidal, gluon, eclipsing binary, gravitationally, asteroidal, photosphere, quasiparticle, filamentary, triangulum, prograde, baryon, dipole moment, spectroscopically, magnetic dipole, dipolar, oort cloud, inhomogeneous, interstellar medium, airglow, torus, arcsecond, obliquity, nebular, nucleosynthesis, luminosities, orbits, macroscopically, antiparticle, ejecta, magnetopause, magnetosphere, superposed, vorticity, collinear, iapetus, andromeda galaxy, angular momentum, quasar, electroweak, lithosphere, aurorae, neutron star, epsilon aurigae, vortices, heliosphere, chromosphere, precess, toroid, radial velocity, magnetic flux, planetesimal, somites, antineutrino, ellipsoid, crystal lattice, fermion, prominences, ionise, galaxies, redshift, dynamical, intramolecular, planets, crystallites, pions, diffraction grating, retroreflector, spiral galaxy, orbitals, steric, perihelion, cepheid variable, antiparallel, synchronous orbit, unpolarized, sextile, coronagraph, oscillations, interconversion, morphologies, coronal, periodicities, zodiacal light, diffusive, syrtis major, phonon, mimas, planetary nebula, paramagnetic, superfluid, magnetisation, antiferromagnetic, tropopause, intermolecular, lacrimal

fundamental interaction, interaction