rarefied
121Hypersonic — In aerodynamics, hypersonic speeds are speeds that are highly supersonic. Since the 1970s, the term has generally been assumed to refer to speeds of Mach 5 (5 times the speed of sound) and above. The hypersonic regime is a subset of the… …
122Ainulindalë — The Silmarillion Ainulindalë Valaquenta Quenta Silmarillion Akallabêth Of the Rings of Power and the Third Age The Ainulindalë[1] (Quenya, Music of the Ainur ) is the first par …
123Kinetic theory — [ temperature of an ideal monatomic gas is a measure related to the average kinetic energy of its atoms as they move. In this animation, the size of helium atoms relative to their spacing is shown to scale under 1950 atmospheres of pressure.… …
124Interstellar medium — Interstellar redirects here. For other uses, see Interstellar (disambiguation). The distribution of ionized hydrogen (known by astronomers as H II from old spectroscopic terminology) in the parts of the Galactic interstellar medium visible… …
125Eugène Ionesco — Infobox Writer name = Eugène Ionesco imagesize = 300px caption = Photo by Irving Penn birthdate = November 26, 1909 birthplace = Slatina, Romania deathdate = Death date and age|1994|3|28|1909|11|26 deathplace = Paris, France occupation =… …
126Mendeleev's predicted elements — Professor Dmitri Mendeleev published the first Periodic Table of the Atomic Elements in 1869 based on properties which appeared with some regularity as he laid out the elements from lightest to heaviest. [ cite… …
127Professor Moriarty — Sherlock Holmes character Professor Moriarty, illustration by Sidney Paget which accompanied the original publication of The Final Problem . Last appearance …
128Planets in science fiction — are fictional planets that appear in various media, especially those of the science fiction genre, as story settings or depicted locations. [cite book last = Mann first = George authorlink = coauthors = title = The Mammoth Encyclopedia of Science …
