Science knowledge词汇表

hertz rate frequency vibration oscillation amplitude vol sonority sensitivity loudness volume musical quality quality musical tone color timbre tonality tune note intonation accent pitch tone pitchfork diapason tuning fork fast percent per shake sound wave sound expression formula measurement speed micrometer microsecond millisecond millennium century day hour minute second chronograph watch clock nanometer micron millimeter centimeter decimeter kilometer kilo ruler long length mass Titan collision milky way galaxy dipper andromeda degree convective convection convection zone troposphere band area zone radiation region radial chromosphere photosphere corona infrared ray gamma beta alpha plasma milky way oval ellipse period cycle shrinkage search expansion deep chart ultraviolet ray ultraviolet axis rotation magnetic field magnetic repulsion dark matter matter parallel discover life change turn time rotate spin x ray gamma ray doom explosion supernova draft white dwarf dwarf giant red nuclear fusion nuclear inside nebulae nebula black hole orb future date pathway orbit rail around round light year meter mile steam atmosphere gaseous terrestrial Asteroid belt asteroid solar energy energy sunlight solar wind macula sun spot crustal crust stone ice water core shock bump hit strike world universe impact crash Hubble astronomical halley telescope space station solar system solar cluster jovian fuel aircraft flight Pluto Neptune Uranus Saturn Mars Jupiter Mercury Venus moon sun earth gravity astronomy astronomer astronaut rocket satellite quasar meteor comet galaxy planet star science