MigL Posted July 25, 2015 Share Posted July 25, 2015 Reflector telescope Using a curved mirror(s) to form the image, as opposed to refracting telescopes, which use lens. Suffers less from chromatic aberration and allows for much larger objectives. Link to comment Share on other sites More sharing options...
Janus Posted July 25, 2015 Share Posted July 25, 2015 Ejecta - material thrown out of an impact crater. Link to comment Share on other sites More sharing options...
ACG52 Posted July 25, 2015 Share Posted July 25, 2015 Amalthea - one of Jupiter's moons. Link to comment Share on other sites More sharing options...
Acme Posted July 26, 2015 Share Posted July 26, 2015 (edited) Albedo - Ratio of solar radiation reflected from a space body to the radiation received by the body. Edited July 26, 2015 by Acme Link to comment Share on other sites More sharing options...
ACG52 Posted July 26, 2015 Share Posted July 26, 2015 Orion - winter constellation in the northern hemisphere Link to comment Share on other sites More sharing options...
MigL Posted July 26, 2015 Share Posted July 26, 2015 Neutronium Composed entirely of degenerate neutrons. Believed to exist only in gravitationally collapsed neutron stars. Link to comment Share on other sites More sharing options...
Janus Posted July 26, 2015 Share Posted July 26, 2015 Norma arm - a minor spiral arm of our galaxy. Link to comment Share on other sites More sharing options...
ACG52 Posted July 26, 2015 Share Posted July 26, 2015 Molecular Cloud- An interstellar cloud of molecular hydrogen containing trace amounts of other molecules such as carbon monoxide and ammonia. Link to comment Share on other sites More sharing options...
MigL Posted July 26, 2015 Share Posted July 26, 2015 Deuterium Chemically similar to Hydrogen but containing two nucleons. No other source other than Big Bang nucleosynthesis. Link to comment Share on other sites More sharing options...
ACG52 Posted July 26, 2015 Share Posted July 26, 2015 Meteoroid- A small, rocky object in orbit around the Sun, smaller than an asteroid. Link to comment Share on other sites More sharing options...
Janus Posted July 26, 2015 Share Posted July 26, 2015 Deneb - Brightest star in the constellation Cygnus (The same constellation that Kepler 542 b is in.) Link to comment Share on other sites More sharing options...
Acme Posted July 26, 2015 Share Posted July 26, 2015 Betelgeuse, Betelgeuse, Betelgeuse - Red supergiant star in the constellation Orion; 520 light-years from our solar system and over 600 million miles in diameter. Link to comment Share on other sites More sharing options...
ACG52 Posted July 26, 2015 Share Posted July 26, 2015 Elliptical Galaxy- A galaxy whose structure shaped like an ellipse and is smooth and lacks complex structures such as spiral arms. Link to comment Share on other sites More sharing options...
Janus Posted July 26, 2015 Share Posted July 26, 2015 Yohkoh - a Japanese satellite for studying Solar activity Link to comment Share on other sites More sharing options...
ACG52 Posted July 26, 2015 Share Posted July 26, 2015 Heliosphere - the immense magnetic bubble containing our solar system, solar wind, and the entire solar magnetic field. It extends well beyond the orbit of Pluto. Link to comment Share on other sites More sharing options...
MigL Posted July 26, 2015 Share Posted July 26, 2015 Expansion The process whereby separation of non-gravitationally bound structures and objects within the observable universe is increasing. Whether driven by the cosmological constant or "dark' energy, the process is currently ( several billion years ) accelerating. Link to comment Share on other sites More sharing options...
ACG52 Posted July 26, 2015 Share Posted July 26, 2015 NASDA - The National Air and Space Development Agency in Japan Link to comment Share on other sites More sharing options...
Janus Posted July 26, 2015 Share Posted July 26, 2015 Achondrite - a class of stoney meteorite. Link to comment Share on other sites More sharing options...
ACG52 Posted July 26, 2015 Share Posted July 26, 2015 Extragalactic- outside of or beyond our own galaxy. Link to comment Share on other sites More sharing options...
Janus Posted July 26, 2015 Share Posted July 26, 2015 Canis Major - the constellation which contains Sirius, the brightest star in the sky. Link to comment Share on other sites More sharing options...
ACG52 Posted July 27, 2015 Share Posted July 27, 2015 Radio Galaxy- A galaxy that gives off large amounts of energy in the form of radio waves. Link to comment Share on other sites More sharing options...
Acme Posted July 27, 2015 Share Posted July 27, 2015 Yardang - A type of long hill that is pointed on both ends & lies parallel to the winds that create it. Seen to date on Earth & Mars. Link to comment Share on other sites More sharing options...
ACG52 Posted July 27, 2015 Share Posted July 27, 2015 Granulation- A pattern of small cells that can be seen on the surface of the Sun. They are caused by the convective motions of the hot gases inside the Sun. Link to comment Share on other sites More sharing options...
Janus Posted July 27, 2015 Share Posted July 27, 2015 Node - One of two points where an inclined orbit crosses the plane of the ecliptic. Link to comment Share on other sites More sharing options...
Mad For Science Posted July 27, 2015 Author Share Posted July 27, 2015 (edited) El Nath - Traditional name of Beta Tauri, second brightest star in the constellation Taurus. Edited July 27, 2015 by Mad For Science Link to comment Share on other sites More sharing options...
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