WebAug 11, 2014 · The Sun rotates on its axis once in about 27 days. This rotation was first detected by observing the motion of sunspots in the photosphere. The Sun's rotation axis is tilted by about 7.15 degrees … WebProminences are dense clouds of material suspended above the surface of the Sun by loops of magnetic field. Prominences and filaments are actually the same things except that prominences are seen projecting out above the limb, or edge, of the Sun. Both filaments and prominences can remain in a quiet or quiescent state for days or weeks.
Chromosphere Definition, Meaning & Usage FineDictionary.com
WebThe chromosphere is the coolest where it begins at 250 miles from the surface of the sun, and the hottest farthest away from the surface of the sun at the outer edge, 1,300 miles out. Scientists... A chromosphere ("sphere of color") is the second layer of a star's atmosphere, located above the photosphere and below the solar transition region and corona. The term usually refers to the Sun's chromosphere, but not exclusively. In the Sun's atmosphere, the chromosphere is roughly 3,000 to 5,000 kilometers (1,900 to 3,100 miles) in height, or slightly more than 1% of the Sun's radius a… tsb kincorth
Chromosphere - definition of chromosphere by The Free Dictionary
WebDefinitions of chromosphere noun a gaseous layer of the sun's atmosphere (extending from the photosphere to the corona) that is visible during a total eclipse of the sun see more Usage Examples All sources < prev next > loading examples... Word Family chromosphere the "chromosphere" family EDITOR'S CHOICE What's your vocabulary … WebThe UBV photometric system (from Ultraviolet, Blue, Visual ), also called the Johnson system (or Johnson-Morgan system ), is a photometric system usually employed for classifying stars according to their colors. It was the first standardized photometric system. The apparent magnitudes of stars in the system are often used to determine the color ... Webchromosphere noun a gaseous layer of the sun's atmosphere (extending from the photosphere to the corona) that is visible during a total eclipse of the sun Wiktionary (0.00 / 0 votes) Rate this definition: chromosphere noun The faint pink extension of a star's atmospheric envelope between the corona and the photosphere tsbkjw cufe.edu.cn