galactic orbit
121White dwarf — For other uses, see White dwarf (disambiguation). Image of Sirius A and Sirius B taken by the Hubble Space Telescope. Sirius B, which is a white dwarf, can be seen as a faint pinprick of light to the lower left of the much brighter Sirius A …
122Light-year — For other uses, see Light year (disambiguation). Image showing the scale of a light year (outer shell) and a light month (inner shell) surrounding the Sun compared to Comet 1910 A1 s orbit (yellow line) and Comet Hyakutake s orbit (orange line).… …
123Microsoft Space Simulator — BAO Space Simulator Developer(s) Bruce Artwick Organization Ltd. Publisher(s) Bruce Artwick Organization Ltd …
124Hyperspace (science fiction) — Hyperspace is a fictional plot device sometimes used in science fiction. It is typically described as an alternate region of subspace co existing with our own universe which may be entered using an energy field or other device. Travel in… …
125Theoretical astronomy — Nucleosynthesis Stellar nucleosynthesis Big Bang nucleosynthesis Supernova nucleosynthesis Cosmic ray spallation …
126Scaled Composites Tier One — Tier One redirects here. For other uses, see Tier 1 (disambiguation). Tier One is Scaled Composites program of suborbital human spaceflight using the reusable spacecraft SpaceShipOne and its launcher White Knight. The craft was designed by Burt …
127Tests der allgemeinen Relativitätstheorie — werden zur Überprüfung des Standardmodells zur Beschreibung der Gravitation, der allgemeinen Relativitätstheorie (ART) Albert Einsteins, durchgeführt. Zur Zeit ihrer Einführung im Jahre 1915, hatte die ART keine solide empirische Grundlage. Sie… …
128Cosmic distance ladder — * Light green boxes: Technique applicable to star forming galaxies. * Light blue boxes: Technique applicable to Population II galaxies. * Light Purple boxes: Geometric distance technique. * Light Red box: The planetary nebula luminosity function… …
