gaseous atmosphere
21Case hardening — or surface hardening is the process of hardening the surface of a metal, often a low carbon steel, by infusing elements into the material s surface, forming a thin layer of a harder alloy. Case hardening is usually done after the part in question …
22Jupiter — /jooh pi teuhr/, n. 1. Also called Jove. the supreme deity of the ancient Romans: the god of the heavens and of weather. Cf. Zeus. 2. Astron. the planet fifth in order from the sun, having an equatorial diameter of 88,729 mi. (142,796 km), a mean …
23Scanning electron microscope — These pollen grains taken on an SEM show the characteristic depth of field of SEM micrographs …
24Astronomy — (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… …
25Rescue on Fractalus! — is a March 1984 [http://web.archive.org/web/20060428061222/http://www.lucasarts.com/20th/history 1.htm] computer game created by Lucasfilm Games (later LucasArts Entertainment). It was originally released for the Atari 8 bit family and the Atari… …
26M 87 (галактика) — Координаты: 12ч 30м 49.42с, +12° 23′ 28.04″ …
27Voyager 1 — This article is about the spacecraft. For the album by The Verve, see Voyager 1 (album). For fictional Voyager One from Space: 1999, see Voyager One (Space: 1999). Voyager 1 Voyager …
28Messier 87 — Virgo A The Messier 87 galaxy. Observation data Epoch J2000 Constellation Virgo Right ascension …
29Betelgeuse — Starbox begin name =Betelgeuse, Alpha OriStarbox image caption = Betelgeuse is the upper left star (pink arrow) in the rectangle of bright stars in Orion.Starbox observe epoch = J2000.0 constell = Orion ra = RA|05|55|10.3053cite web… …
30Mendelevium — fermium ← mendelevium → nobelium Tm ↑ Md ↓ (Upu) …
