outer radiation zone
21Stellar evolution — Life cycle of a Sun like star Stellar evolution is the process by which a star undergoes a sequence of radical changes during its lifetime. Depending on the mass of the star, this lifetime ranges from only a few million years (for the most… …
22Near and far field — This article is about the electromagnetic concept. For the mathematical, see Near field (mathematics). Antenna field regions for antennas that are shorter than the wavelength of the radiation they emit, such as the whip antenna of a citizen s… …
23Portal:Star — Shortcut: P:STR The Star Portal Wikipedia portals: Culture Geography Health History …
24Stellar structure — Stars of different mass and age have varying internal structures. Stellar structure models describe the internal structure of a star in detail and make detailed predictions about the luminosity, the color and the future evolution of the… …
25Binary star — For the hip hop group, see Binary Star (band). Hubble image of the …
26Cluster (spacecraft) — Cluster Operator European Space Agency in international collaboration with NASA Major contractors Dornier GmbH (now part of EADS) Mission type Orbiter Satellite of Earth …
27Brown dwarf — Brown dwarfs are sub stellar objects which are too low in mass to sustain hydrogen 1 fusion reactions in their cores, which is characteristic of stars on the main sequence. Brown dwarfs have fully convective surfaces and interiors, with no… …
28Magnetosphere chronology — The following is a chronology of discoveries concerning the magnetosphere. 1600 William Gilbert in London suggests the Earth is a giant magnet. 1741 Hiorter and Anders Celsius note that the polar aurora is accompanied by a disturbance of the… …
29Epsilon Eridani — Starbox begin name=Epsilon EridaniStarbox observe epoch=J2000.0 constell=Eridanus ra=RA|03|32|55.8442cite web url=http://simbad3.u strasbg.fr/sim id.pl?protocol=html Ident=HD+22049 title=HD 22049 Variable of BY Dra type work=SIMBAD… …
30Neutron star — redirects here. For the story by Larry Niven, see Neutron Star (short story). Neutron stars crush half a million times more mass than Earth into a sphere no larger than Manhattan. A neutron star is a type of stellar remnant that can result from… …
