interstellar laser

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• Interstellar communication — is the transmission of signals between planetary systems. Interstellar communication is potentially much easier than interstellar travel, being possible with technologies and equipment which are currently available. However, successful… …   Wikipedia

• Interstellar travel — Montage of fusion powered rocket concepts from 1987–2004, which could form the basis for an interstellar vehicle. Included are: VISTA (Lawrence Livermore National Laboratories,1987), Discovery II (NASA/GRC, 2002), Human Outer Planet Exploration… …   Wikipedia

• IDLE — Interstellar Dust Laser Explorer Contributor: CASI …   NASA Acronyms

• Search for extraterrestrial intelligence — The search for extraterrestrial intelligence is sometimes abbreviated as SETI. For other uses, see SETI (disambiguation). Screen shot of the screensaver for SETI@home, a distributed computing project in which volunteers donate idle computer power …   Wikipedia

• SETI — Search for Extra Terrestrial Intelligence (SETI) is the collective name for a number of activities to detect intelligent extraterrestrial life. The general approach of SETI projects is to survey the sky to detect the existence of transmissions… …   Wikipedia

• 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

• Beam-powered propulsion — is a class of spacecraft propulsion mechanisms that use energy beamed to the spacecraft from a remote power plant. Most designs are rocket engines where the energy is provided by the beam, and is used to superheat propellant that then provides… …   Wikipedia

• Mathematics and Physical Sciences — ▪ 2003 Introduction Mathematics       Mathematics in 2002 was marked by two discoveries in number theory. The first may have practical implications; the second satisfied a 150 year old curiosity.       Computer scientist Manindra Agrawal of the… …   Universalium

• List of astronomy acronyms — This is a compilation of acronyms commonly used in astronomy. Most of the acronyms are drawn from professional astronomy and are used quite frequently in scientific publications. However, a few of these acronyms are frequently used by the general …   Wikipedia

• Interstellare Reise — Interstellare Raumfahrt bezeichnet die Raumfahrt zwischen Sternen. Das größte Problem der interstellaren Raumfahrt sind die riesigen Distanzen zwischen den Sternen. Es wurden schon zahlreiche Konzepte für interstellare Raumschiffe entwickelt. Aus …   Deutsch Wikipedia

• Astrophysical maser — An astrophysical maser is a naturally occurring source of stimulated spectral line emission, typically in the microwave portion of the electromagnetic spectrum. This emission may arise in molecular clouds, comets, planetary atmospheres, stellar… …   Wikipedia