jupiter's atmosphere is hydrogen and helium
121Floating city (science fiction) — In science fiction, floating cities are settlements that strictly use buoyancy to remain in the atmosphere of a planet. However the term generally refers to any city that is flying, hovering, or otherwise suspended in the air via any means… …
122Darwin (spacecraft) — Darwin General information Organization European Space Agency (ESA) Launched from Guiana Space Centre French Guiana [1] Launch vehicle Soyuz 2/Fregat …
123Plasma (physics) — For other uses, see Plasma. Plasma lamp, illustrating some of the more complex phenomena of a plasma, including filamentation. The colors are a result of relaxation of electrons in excited states to lower energy states after they have recombined… …
124Magnetosphere particle motion — A sketch of Earth s magnetic field representing the source of Earth s magnetic field as a magnet The north pole of earth is near the top of the diagram, the south pole near the bottom. Notice that the south pole of that magnet is deep in Earth s… …
125Infrared Space Observatory — Infobox Space Telescope name = Infrared Space Observatory background = caption = organization = European Space Agency (ESA) major contractors = Aerospatiale (currently Thales) alt names = nssdc id = 1995 062A location = In decaying orbit orbit… …
126A Meeting with Medusa — Infobox short story | name = A Meeting with Medusa author = Arthur C. Clarke country = United Kingdom language = English genre = Science fiction published in = Playboy publication type = publisher = media type = pub date = December, 1971 A… …
127V838 Monocerotis — and its light echo as imaged by the Hubble Space Telescope on December 17, 2002. Credit: NASA/ESA Observation data Epoch 2000.0& …
128Discovery One — Discovery launching an EVA pod First appearance 2001: A Space Odyssey Affiliation …
