(of cosmic radio emission)
21LOFAR — Infobox Telescope bgcolour = name = Low Frequency Array caption = LOFAR prototype antennas; this installation was succeeded by Core Station 1 (CS 1) in 2007 organization = ASTRON location = 3 kilometre!km north of Exloo, the Netherlands (core)… …
22Nobel Prizes — ▪ 2009 Introduction Prize for Peace The 2008 Nobel Prize for Peace was awarded to Martti Ahtisaari, former president (1994–2000) of Finland, for his work over more than 30 years in settling international disputes, many involving ethnic,… …
23galaxy — /gal euhk see/, n., pl. galaxies. 1. Astron. a. a large system of stars held together by mutual gravitation and isolated from similar systems by vast regions of space. b. (usually cap.) See Milky Way. 2. any large and brilliant or impressive… …
24Milky Way Galaxy — Large spiral galaxy (roughly 150,000 light years in diameter) that contains Earth s solar system. It includes the multitude of stars whose light is seen as the Milky Way, the irregular luminous band that encircles the sky defining the plane of… …
25Observational cosmology — Physical cosmology Universe · Big Bang …
26Supernova remnant — Multiwavelength composite image of the remnant of Kepler s supernova, SN 1604 …
27Hubble Deep Field — Coordinates: 12h 36m 49.4s, +62° 12′ 58″ …
28Black hole — For other uses, see Black hole (disambiguation). Simulated view of a black hole (center) in front of the Large Magellanic Cloud. Note the gravitat …
29Solar cycle — The solar cycle, or the solar magnetic activity cycle, is the main source of periodic variation of all solar phenomena driving variations in space weather. [ [http://www7.nationalacademies.org/ssb/SSB Space weather97.pdf Space Weather: A Research …
30Cygnus X-1 — For other uses, see Cygnus X 1 (disambiguation). HDE 226868 HDE 226868 (not shown) is located next to the star η (lower center) in this map of constellation Cygnus …
