WebTrong thiên văn học, phân loại sao là phân loại của các sao ban đầu dựa trên nhiệt độ quang quyển và các đặc trưng quang phổ liên quan của nó, rồi sau đó chuyển đổi thành thuật ngữ của các đặc trưng khác. Nhiệt độ của sao có thể được phân loại bằng cách sử dụng định luật thay thế Wien; nhưng nó gây ... WebAug 11, 2014 · The chromosphere is an irregular layer above the photosphere where the temperature rises from 6000°C to about 20,000°C. At these higher temperatures hydrogen emits light that gives off a …
NASA/Marshall Solar Physics
Webchromosphere. chromosphere ( plural chromospheres ) ( astronomy) The faint pink extension of a star 's atmospheric envelope between the corona and the photosphere. WebA 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 … can my sibling get greencard with my parents
Chromosphere - Wikipedia
WebFeb 19, 2024 · The chromosphere lies between the photosphere, or bright surface of the Sun that emits visible light, and the super-heated corona, or outer atmosphere of the Sun at the source of solar eruptions. The … 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 … See more The density of the Sun's chromosphere decreases exponentially with distance from the center of the Sun by a factor of roughly 10 million, from about 2×10 kg/m at the chromosphere's inner boundary to under 1.6×10 kg/m … See more Images taken in typical chromospheric lines show the presence of brighter cells, usually referred to as the network, while the surrounding darker regions are named internetwork. They … See more • Orders of magnitude (density) • Moreton wave See more Many different phenomena can be observed in chromospheres. Plage A plage is a … See more Chromospheres are present on almost all luminous stars other than white dwarfs. They are most prominent and magnetically active on lower-main sequence stars, on brown dwarfs of … See more • Animated explanation of the Chromosphere (and Transition Region) Archived 2015-11-16 at the Wayback Machine (University of South Wales). • Animated explanation of the temperature of the Chromosphere (and Transition Region) See more WebThe chromospheric network is a web-like pattern most easily seen in the emissions of the red line of hydrogen (H-alpha) and the ultraviolet line of calcium (Ca II K - from calcium … can my significant other be on my insurance