WebCơ sở dữ liệu tham chiếu. SIMBAD. dữ liệu. Sao Antares, định danh là Alpha Scorpii A, tên gốc tiếng Ả Rập là Ķalb al Άķrab nghĩa là "trái tim của bọ cạp", là ngôi sao sáng nhất trong chòm sao Thiên Yết và là thiên thể sáng thứ 16 quan … WebThe Sun is the star at the center of the Solar System.It is a nearly perfect ball of hot plasma, heated to incandescence by nuclear fusion reactions in its core. The Sun radiates this energy mainly as light, ultraviolet, and infrared radiation, and is the most important source of energy for life on Earth.. The Sun's radius is about 695,000 kilometers (432,000 miles), …
59 Chromosphere Facts: The Layer Of The Sun That You Should
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 ... population of christchurch new zealand 2011
Stellar corona - Wikipedia
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 … WebAn active region is a temporary region in the Sun 's atmosphere characterized by a strong and complex magnetic field. They are often associated with sunspots and are commonly the source of violent eruptions such as coronal mass ejections and solar flares. [1] The number and location of active regions on the solar disk at any given time is ... WebJul 29, 2024 · What is the Chromosphere of the Sun? The chromosphere is defined as the middle layer of the sun's atmosphere. It is the second outer layer of the atmosphere of the sun. The first part of the... shark wandvac system pet ws632