Glossary term: 太陽黑子
Description: 太陽黑子是由於太陽光球層中的強磁場引起的暫時性冷區。太陽黑子是磁通管從太陽深處湧出的區域。強磁場增加了這些區域的磁壓力。為了保持與周圍環境相同的壓力，太陽黑子中的氣體和等離子體壓力必須下降，這就使其溫度低於周圍環境。由於太陽黑子比周圍的光球溫度低，因此可以通過望遠鏡看到太陽黑子，是太陽表面的暗斑/斑點。太陽黑子的大小從幾十公里到十幾萬公裡不等。持續時間從幾天到幾個月不等。太陽黑子的數量和位置隨太陽週期而變化。其他恆星也被認為有由其磁場引起的黑子。
Related Terms:
See this term in other languages
Term and definition status: The original definition of this term in English have been approved by a research astronomer and a teacher The translation of this term and its definition is still awaiting approval
This is an automated transliteration of the simplified Chinese translation of this term
The OAE Multilingual Glossary is a project of the IAU Office of Astronomy for Education (OAE) in collaboration with the IAU Office of Astronomy Outreach (OAO). The terms and definitions were chosen, written and reviewed by a collective effort from the OAE, the OAE Centers and Nodes, the OAE National Astronomy Education Coordinators (NAECs) and other volunteers. You can find a full list of credits here. All glossary terms and their definitions are released under a Creative Commons CC BY-4.0 license and should be credited to "IAU OAE".
Related Media
太陽黑子
Credit: NASA/SDO/HMI credit link
License: PD Public Domain icons
Related Activities
Measure the Sun's Rotation Period
astroEDU educational activity (links to astroEDU website) Description: Find out the Sun’s rotation period, applying the simple equation of average speed to a real astronomical case.License: CC-BY-4.0 Creative Commons 姓名標示 4.0 國際 (CC BY 4.0) icons
Tags: Hands-on , History , Experiment , Galileo , average speed Age Ranges: 16-19 Education Level: Secondary Areas of Learning: Social Research Costs: Low Cost Duration: 1 hour 30 mins Group Size: Group Skills: Analysing and interpreting data , Engaging in argument from evidence , Planning and carrying out investigations , Using mathematics and computational thinking
Is the Sun rotating? Follow the sunspots!
astroEDU educational activity (links to astroEDU website) Description: Like a "modern" Galileo, use true astronomical satellite observations to discover if the Sun (and other celestial objects) are rotating!License: CC-BY-4.0 Creative Commons 姓名標示 4.0 國際 (CC BY 4.0) icons
Tags: Hands-on , History , Experiment , Galileo Age Ranges: 12-14 , 14-16 , 16-19 Education Level: Middle School , Secondary Areas of Learning: Social Research Costs: Low Cost Duration: 1 hour Group Size: Group Skills: Analysing and interpreting data , Planning and carrying out investigations
