💡 Words with a Similar Meaning to "Cometarium"
Found via reverse dictionary — words that share a conceptual meaning.
| Word | Definition |
|---|---|
| cometnoun | (astronomy) A small Solar System body consisting mainly of volatile ice, dust and particles of rock whose very eccentric solar orbit periodically brings it close enough to the Sun that the ice vaporises to form an atmosphere, or coma, which may be blown by the solar wind to produce a visible tail. |
| periodic cometnoun | (astronomy) A comet which orbits the Sun and which returns to the innermost point of its orbit at known, regular intervals. |
| periodical cometnoun | Alternative form of periodic comet. [(astronomy) A comet which orbits the Sun and which returns to the innermost point of its orbit at known, regular intervals.] |
| planetariumnoun | A display museum in which images of stars and other astronomical phenomena are projected onto a domed ceiling. |
| cometopausenoun | The boundary surrounding a comet's coma where the composition of the surrounding plasma transitions from being dominated by solar wind particles to being dominated by cometary plasma. |
| parabolic cometnoun | A comet whose orbit is parabolic and so makes only a single visit to the inner solar system |
| tellurionnoun | (astronomy, historical) An instrument used to show how the rotation of the Earth on its axis and its orbit around the Sun cause day and night and the seasons. |
| meteoroscopenoun | (astronomy, obsolete) An instrument for measuring the position, length, and direction of the apparent path of a shooting star. |
| cosmospherenoun | An apparatus for showing the position of the Earth with respect to the fixed stars, consisting of a hollow glass globe marked with the stars and constellations and containing a terrestrial globe. |
| collimatornoun | (physics) An optical device that generates a parallel beam of light. Often used to compensate for laser beam divergence. |
| coronographnoun | (astronomy) A telescope, fitted with an attachment that blocks out direct rays from the sun, used to study and photograph the corona of the sun. |
| coelostatnoun | (astronomy) A device that rotates a telescope so as to keep its orientation constant with relation to the stars. |
| cosmolabenoun | An instrument resembling the astrolabe, formerly used for measuring the angles between heavenly bodies. |
| interstellar cometnoun | (astronomy, planetology) A comet (or exocomet) located in interstellar space, and not gravitationally bound to a star. |
| armillary spherenoun | An instrument consisting of graduated metal circles used to represent the motions of celestial bodies around the earth. |
| circlenoun | (geometry) A two-dimensional geometric figure, a line, consisting of the set of all those points in a plane that are equally distant from a given point (center). |
| antitailnoun | A spike projecting from a comet's coma which seems to extend towards the Sun. |
| lunariumnoun | A mechanical model illustrating the motion of the Moon around the Earth. |
| comet tailnoun | (television) A display artifact consisting of a smear of color that appears to follow a moving object in the picture. |
| transit instrumentnoun | (astronomy) An astronomical telescope mounted in the meridian and turning on a fixed east-and-west axis. |
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