spectral rays
51Electro-optical MASINT — is a subdiscipline of Measurement and Signature Intelligence, (MASINT) and refers to intelligence gathering activities which bring together disparate elements that do not fit within the definitions of Signals Intelligence (SIGINT), Imagery… …
52quantum mechanics — quantum mechanical, adj. Physics. a theory of the mechanics of atoms, molecules, and other physical systems that are subject to the uncertainty principle. Abbr.: QM Cf. nonrelativistic quantum mechanics, relativistic quantum mechanics. [1920 25]… …
53Ethereal being — Water nymph by John Collier, 1923. Ethereal beings, according to some belief systems and occult theories, are mystic entities that usually are not made of ordinary matter. Despite the fact that they are believed to be essentially incorporeal,… …
54Sirius — B redirects here. For other uses of Sirius, see Sirius (disambiguation). For other uses of Sirius B, see Sirius B (disambiguation). Sirius A / B …
55nebula — nebular, adj. /neb yeuh leuh/, n., pl. nebulae / lee , luy /, nebulas. 1. Astron. a. Also called diffuse nebula. a cloud of interstellar gas and dust. Cf. dark nebula, emission nebula, reflection nebula …
56Nanoflares — A nanoflare is a very small solar flare which happens in the corona, the external atmosphere of the Sun. The hypothesis of microflares as a possible explanation of the coronal heating was first suggested by Gold [1] and then later developed by… …
57Radiant energy — Visible light (a form of radiant energy) scattered by fog in a forest. Radiant energy is the energy of electromagnetic waves.[1] The quantity of radiant energy may be calculated by integrating radiant flux (or power) with respect to time and …
58Violet (color) — This article is about the colour. For other uses, see Violet (disambiguation). Violet   Spectral coordinates  Wavelength 380–450 …
59Astronomy — (from the Greek words astron (ἄστρον), star , and nomos (νόμος), law ) is the scientific study of celestial objects (such as stars, planets, comets, and galaxies) and phenomena that originate outside the Earth s atmosphere (such as the cosmic… …
60Gamma Cassiopeiae — Starbox begin name=Gamma Cassiopeiae Starbox observe epoch=J2000 ra=00h 56m 42.5s dec=+60° 43 prime; 00 Prime; appmag v=2.15 constell=Cassiopeia Starbox character class=B0.5 IVe b v= 0.15 u b= 1.08 variable=Gamma Cas Starbox astrometry radial v=… …
