Solar prominences, they are loops of plasma captured by magnetic flux lines linking individual sunspots.
Solar prominences, they are loops of plasma captured by magnetic flux lines linking individual sunspots.
The lighter-colored region around the dark center of a sunspot is called the penumbra. It consists of less dense magnetic field lines compared to the umbra, which is the darkest part of the sunspot.
The darkened area of a sunspot is called the umbra. It is the central region of a sunspot where the magnetic field is strongest, causing the area to appear darker compared to the surrounding photosphere of the Sun.
Penumbra
The two parts of a sunspot are the dark central region called the umbra and the lighter surrounding region called the penumbra. The umbra is cooler than the surrounding regions and is where the magnetic field is most intense.
The magnetic field in a sunspot is stronger than the surrounding areas on the Sun's surface. It is also highly concentrated and can cause a suppression of convection, leading to cooler temperatures in the sunspot region. This can manifest as a darker area compared to its surroundings due to the reduced energy output.
The acromion process
The land region that connects with north america and south america is central america
The darkened area of a sunspot is a region of cooler temperatures on the Sun's surface, known as the umbra. Sunspots are caused by intense magnetic activity that inhibits convection, leading to lower temperatures in these areas compared to the surrounding photosphere.
The lighter colored region around the dark center of a hotspot is known as the "umbra." It is the innermost and darkest part of a sunspot or the dark central region of a volcanic hotspot.
Sunspot regions appear as dark areas in X-ray images of the Sun, as they are cooler compared to the surrounding active regions. This contrast helps in distinguishing sunspots from other solar features that emit more X-rays. The size and shape of the sunspot region in X-ray images depend on its magnetic field strength and orientation.
The Galactic halo is the spherical region surrounding the disk of a spiral galaxy which contains globular clusters and reddish population II stars.