orbital solar

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• Solar sail — Solar sails (also called light sails or photon sails, especially when they use light sources other than the Sun) are a proposed form of spacecraft propulsion using large membrane mirrors. Radiation pressure is about 10 5 Pa at Earth s distance… …   Wikipedia

• Solar Probe Plus — Artist s concept of NASA s Solar Probe Plus Operator NASA / Applied Physics Laboratory Mission type Orbiter …   Wikipedia

• Orbital decay — is the process of prolonged reduction in the altitude of a satellite s orbit. This can be due to drag produced by an atmosphere due to frequent collisions between the satellite and surrounding air molecules. The drag experienced by the object is… …   Wikipedia

• Orbital forcing — is the effect on climate of slow changes in the tilt of the Earth s axis and shape of the orbit (see Milankovitch cycles). These orbital changes change the total amount of sunlight reaching the Earth by up to 25% at mid latitudes (from 400 to 500 …   Wikipedia

• Orbital elements — are the parameters required to uniquely identify a specific orbit. In celestial mechanics these elements are generally considered in classical two body systems, where a Kepler orbit is used (derived from Newton s laws of motion and Newton s law… …   Wikipedia

• Orbital replacement unit — Orbital Replacement Units (ORUs) are key elements of the International Space Station that can be readily replaced when the unit either passes its design life or fails. Examples of ORUs are: pumps, storage tanks, controller boxes, antennas, and… …   Wikipedia

• Solar Dynamics Observatory — Telescopio espacial Solar Dynamics Observatory Organización NASA / Centro de vuelo espacial Goddard …   Wikipedia Español

• Solar Radiation and Climate Experiment — Esquema de SORCE con sus instrumentos Organización NASA Estado Activo …   Wikipedia Español

• ORBITAL EXPRESS — Orbital Express: ASTRO (à gauche) et NEXTSat (à droite) Orbital Express: AS …   Wikipédia en Français

• Orbital (band) — Orbital Orbital in concert at the Brixton Academy in 2009 Background information Origin Sevenoaks, England, UK …   Wikipedia

• Orbital inclination change — is an orbital maneuver aimed at changing the inclination of an orbiting body s orbit. This maneuver is also known as an orbital plane change as the plane of the orbit is tipped. This maneuver requires a change in the orbital velocity vector… …   Wikipedia