MigL Posted July 25, 2015 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.
Acme Posted July 26, 2015 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
ACG52 Posted July 26, 2015 Posted July 26, 2015 Orion - winter constellation in the northern hemisphere
MigL Posted July 26, 2015 Posted July 26, 2015 Neutronium Composed entirely of degenerate neutrons. Believed to exist only in gravitationally collapsed neutron stars.
ACG52 Posted July 26, 2015 Posted July 26, 2015 Molecular Cloud- An interstellar cloud of molecular hydrogen containing trace amounts of other molecules such as carbon monoxide and ammonia.
MigL Posted July 26, 2015 Posted July 26, 2015 Deuterium Chemically similar to Hydrogen but containing two nucleons. No other source other than Big Bang nucleosynthesis.
ACG52 Posted July 26, 2015 Posted July 26, 2015 Meteoroid- A small, rocky object in orbit around the Sun, smaller than an asteroid.
Janus Posted July 26, 2015 Posted July 26, 2015 Deneb - Brightest star in the constellation Cygnus (The same constellation that Kepler 542 b is in.)
Acme Posted July 26, 2015 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.
ACG52 Posted July 26, 2015 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.
Janus Posted July 26, 2015 Posted July 26, 2015 Yohkoh - a Japanese satellite for studying Solar activity
ACG52 Posted July 26, 2015 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.
MigL Posted July 26, 2015 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.
ACG52 Posted July 26, 2015 Posted July 26, 2015 NASDA - The National Air and Space Development Agency in Japan
Janus Posted July 26, 2015 Posted July 26, 2015 Canis Major - the constellation which contains Sirius, the brightest star in the sky.
ACG52 Posted July 27, 2015 Posted July 27, 2015 Radio Galaxy- A galaxy that gives off large amounts of energy in the form of radio waves.
Acme Posted July 27, 2015 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.
ACG52 Posted July 27, 2015 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.
Janus Posted July 27, 2015 Posted July 27, 2015 Node - One of two points where an inclined orbit crosses the plane of the ecliptic.
Mad For Science Posted July 27, 2015 Author 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
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