spectroscopy spectrometry spectroscopic analysis spectrum analysis spectrographic analysis | the use of spectroscopes to analyze spectra |
solar array solar battery solar panel | electrical device consisting of a large array of connected solar cells |
solar cell photovoltaic cell | a cell that converts solar energy into electrical energy |
solar dish solar collector solar furnace | a concave mirror that concentrates the rays of the sun, can produce high temperatures |
solar heater | a heater that makes direct use of solar energy |
solar house | a house designed to use solar radiation for heating, usually has large areas of glass in front of heat-absorbing materials |
solar telescope | a telescope designed to make observations of the sun |
solar thermal system | a system that converts sunlight into heat |
suntrap solar trap | a terrace or garden oriented to take advantage of the sun while protected from cold winds |
spectrum | a broad range of related objects or values or qualities or ideas or activities |
solar plexus coeliac plexus plexus celiacus abdominal nerve plexus | a large plexus of sympathetic nerves in the abdomen behind the stomach |
solar physics | the branch of astronomy that deals with the sun |
spectrum line | an isolated component of a spectrum formed by radiation at a uniform frequency |
solar eclipse | the moon interrupts light from the sun |
apex solar apex apex of the sun's way | the point on the celestial sphere toward which the sun and solar system appear to be moving relative to the fixed stars |
solar system | the sun with the celestial bodies that revolve around it in its gravitational field |
spectrum | an ordered array of the components of an emission or wave |
absorption spectrum | the spectrum of electromagnetic radiation that has passed through a medium that absorbed radiation of certain wavelengths |
action spectrum | the efficiency with which electromagnetic radiation produces a photochemical reaction plotted as a function of the wavelength of the radiation |
atomic spectrum | (physics) a spectrum of radiation caused by electron transitions within an atom, the series of spectrum lines is characteristic of the element |
electromagnetic spectrum | the entire frequency range of electromagnetic waves |
emission spectrum | spectrum of electromagnetic radiation emitted by a self-luminous source |
solar gravity | the gravity of the sun, solar gravity creates extreme pressures and temperatures |
infrared spectrum | the spectrum of infrared radiation |
line spectrum | a spectrum in which energy is concentrated at particular wavelengths, produced by excited atoms and ions as they fall back to a lower energy level |
solar magnetic field | the magnetic field of the sun |
solar halo parhelic circle parhelic ring | a luminous halo parallel to the horizon at the altitude of the sun, caused by ice crystals in the atmosphere |
mass spectrum | a distribution of ions as shown by a mass spectrograph or a mass spectrometer |
microwave spectrum | the part of the electromagnetic spectrum corresponding to microwaves |
radio spectrum radio-frequency spectrum | the entire spectrum of electromagnetic frequencies used for communications, includes frequencies used for radio and radar and television |
solar energy solar power | energy from the sun that is converted into thermal or electrical energy, the amount of energy falling on the earth is given by the solar constant, but very little use has been made of solar energy |
solar radiation | radiation from the sun |
solar flare flare | a sudden eruption of intense high-energy radiation from the sun's surface, associated with sunspots and radio interference |
solar prominence | large eruptions of luminous hydrogen gas that rise thousands of kilometers above the chromosphere |
solar wind | a stream of protons moving radially from the sun |
sound spectrum acoustic spectrum | the distribution of energy as a function of frequency for a particular sound source |
speech spectrum | the average sound spectrum for the human voice |
ultraviolet spectrum | the spectrum of ultraviolet radiation |
visible spectrum color spectrum | the distribution of colors produced when light is dispersed by a prism |
solar parallax | the angle subtended by the mean equatorial radius of the Earth at a distance of one astronomical unit |
day twenty-four hours twenty-four hour period -hour interval solar day mean solar day | time for Earth to make a complete rotation on its axis, two days later they left, they put on two performances every day, there are , passengers per day |
mean time mean solar time | (astronomy) time based on the motion of the mean sun (an imaginary sun moving uniformly along the celestial equator) |
solar calendar | a calendar based on solar cycles |
solar year tropical year astronomical year equinoctial year | the time for the earth to make one revolution around the sun, measured between two vernal equinoxes |
solar month | one-twelfth of a solar or tropical year |
solar constant | the rate at which radiant solar energy is received at the outer layer of the earth's atmosphere |
solar | relating to or derived from the sun or utilizing the energies of the sun, solar eclipse, solar energy |