| NOMBRE | location | AR, ascensión recta, longitud celeste | (astronomy) the equatorial coordinate specifying the angle, measured eastward along the celestial equator, from the vernal equinox to the intersection of the hour circle that passes through an object in the sky |
|---|---|---|---|
| substance | Ar, argón, número atómico 18 | a colorless and odorless inert gas |
| Sentido | (astronomy) the equatorial coordinate specifying the angle, measured eastward along the celestial equator, from the vernal equinox to the intersection of the hour circle that passes through an object in the sky; usually expressed in hours and minutes and seconds; used with declination to specify positions on the celestial sphere. | |
|---|---|---|
| Sinónimos | ascensión recta, longitud celeste | |
| Categoría | astronomía | The branch of physics that studies celestial bodies and the universe as a whole |
| Inglés | right ascension, RA, celestial longitude | |
| Catalán | ascensió recta, longitud celeste | |
| Sentido | A colorless and odorless inert gas; one of the six inert gases; comprises approximately 1% of the earth's atmosphere. | |
|---|---|---|
| Sinónimos | argón, número atómico 18 | |
| General | argonon, gas inerte, gas noble, gas raro | Any of the chemically inert gaseous elements of the helium group in the periodic table |
| elemento, elemento químico | Any of the more than 100 known substances (of which 92 occur naturally) that cannot be separated into simpler substances and that singly or in combination constitute all matter | |
| Substancia de | aire | A mixture of gases (especially oxygen) required for breathing |
| Inglés | argon, Ar, atomic number 18 | |
| Catalán | argó, número atòmic 18 | |
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