eruptive solar flare
1Solar prominence — with images of Jupiter and Earth for size comparison. Solar prominence video clip (high resolution) A prominence is a large, bright feature extending outward from the Sun …
2Solar 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 …
3List of radio propagation topics — This is a list of radio propagation terms. NOTOC A a index A index aa index active prominence active prominence region (APR) active region active surge region (ASR) active dark filament (ADF) AE index Air Force Geophysics Laboratory (AFGL) arch… …
4Coronal mass ejection — A coronal mass ejection in time lapse imagery obtained with the LASCO instrument. The Sun (center) is obscured by the coronagraph s mask. (September 30 – October 1, 2001) A coronal mass ejection (CME) is a massive burst of solar wind, other light …
5Outline of astronomy — Mauna Kea in Hawaii is one of the world s premier observatory sites. Pictured is the W. M. Keck Observatory, an optical interferometer. The following outline is provided as an overview of and topical guide to astronomy: Astronomy – studies the… …
6Astronomical object — Celestial object and Celestial body redirect here. For other uses, see Celestial (disambiguation). This article is about naturally occurring objects. For artificial objects, see Satellite. Astronomical objects or celestial objects are naturally… …
7Fred Espenak — (1953 ) is an American astrophysicist. He works at the Goddard Space Flight Center. He is best known for his work on eclipse predictions. Espenak earned a bachelor s degree in physics from Wagner College, Staten Island, where he worked in the… …
8Variable star — A star is classified as variable if its apparent brightness as seen from Earth changes over time, whether the changes are due to variations in the star s actual luminosity, or to variations in the amount of the star s light that is blocked from… …
9Fritz Zwicky — Born February 14, 1898 Varna, Principality of Bulgaria Died …
10Star — For other uses, see Star (disambiguation) …
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