extragalactic objects

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• Extragalactic cosmic ray — Extragalactic cosmic rays are very high energy particles that flow into our solar system from beyond our galaxy. The energies these particles possess are in excess of 1015 eV. Origin Unlike solar or galactic cosmic rays, little is known about the …   Wikipedia

• Extragalactic distance scale — The extragalactic distance scale is a series of techniques used today by astronomers to determine the distance of cosmological bodies (beyond our own galaxy) not easily obtained with traditional methods. Some procedures utilize properties of… …   Wikipedia

• Extragalactic astronomy — is the branch of astronomy concerned with objects outside our own Milky Way Galaxy (the study of all astronomical objects which are not covered by galactic astronomy). Extragalactic astronomy is that branch of astronomy which deals with the study …   Wikipedia

• NASA/IPAC Extragalactic Database — The NASA/IPAC Extragalactic Database (NED) is an on line astronomical database for astronomers that collates and cross correlates astronomical information on extragalactic objects (galaxies, quasars, radio, x ray and infrared sources, etc.). NED… …   Wikipedia

• List of the most distant astronomical objects — This article documents the farthest known astronomical objects, and the time periods in which they were so classified. Contents 1 List of most distant objects by type 2 Most distant astronomical object recordholders 3 List of most distant objects …   Wikipedia

• List of NGC objects (1–1000) — Contents 1 1–100 2 101 200 3 201–300 4 301–400 5 401– …   Wikipedia

• List of NGC objects (1001–2000) — Contents 1 1001 1100 2 1101 1200 3 1201 1300 4 1301 1400 5 1401 1500 …   Wikipedia

• List of NGC objects (2001–3000) — Contents 1 2001 2100 2 2101 2200 3 2201 2300 4 2301 2400 5 2401 2500 …   Wikipedia

• List of NGC objects (3001–4000) — Image of the spiral galaxy NGC 3244 was taken with the help of the President of the Czech Republic, Václav Klaus, during his visit to ESO s Paranal Observatory[1] This is a list of objects 3001 4000 in the New General Catalogue (NGC). The… …   Wikipedia

• List of NGC objects (4001–5000) — Contents 1 4001 4100 2 4101 4200 3 4201 4300 4 4301 4400 5 4401 4500 …   Wikipedia

• List of NGC objects (5001–6000) — Contents 1 5001 5100 2 5101 5200 3 5201 5300 4 5301 5400 5 5401 5500 …   Wikipedia