angular observation
21Meson — Mesons Mesons of spin 0 form a nonet Composition Composite Quarks and antiquarks Statistics Bosonic …
22South Asian arts — Literary, performing, and visual arts of India, Pakistan, Bangladesh, and Sri Lanka. Myths of the popular gods, Vishnu and Shiva, in the Puranas (ancient tales) and the Mahabharata and Ramayana epics, supply material for representational and… …
23painting, Western — ▪ art Introduction history of Western painting from its beginnings in prehistoric times to the present. Painting, the execution of forms and shapes on a surface by means of pigment (but see also drawing for discussion of depictions in …
24Stern–Gerlach experiment — In quantum mechanics, the Stern–Gerlach experiment [Walther Gerlach Otto Stern, Das magnetische Moment des Silberatoms , Zeitschrift für Physik 9, 353 355 (1922).] , named after Otto Stern and Walther Gerlach, is an important 1922 experiment on… …
25Black hole — For other uses, see Black hole (disambiguation). Simulated view of a black hole (center) in front of the Large Magellanic Cloud. Note the gravitat …
26Nuclear magnetic resonance — This article is about the physical phenomenon. For its use as a method in spectroscopy, see Nuclear magnetic resonance spectroscopy. NMR redirects here. For other uses, see NMR (disambiguation). First 1 GHz NMR Spectrometer (1000 MHz,… …
27Gravitational microlensing — Gravitational Lensing Formalism Strong lensing …
28Navigation — This article is about determination of position and direction on or above the surface of the earth. For other uses, see Navigation (disambiguation). Table of geography, hydrography, and navigation, from the 1728 Cyclopaedia. Navigation is the… …
29Newton's laws of motion — For other uses, see Laws of motion. Classical mechanics …
30Mars — This article is about the planet. For other uses, see Mars (disambiguation) …
