What evidence do we have that sunspots are magnetic features?
We know that sunspots are magnetic because we can directly observe the effect that the field has on the spectral lines we observe through a phenomenon called the Zeeman effect.
What evidence do we have that sunspots are magnetic quizlet?
What evidence is there that sunspots are magnetic? They are darker than their surroundings. Their spectra show the Zeeman effect.
Are sun Spots magnetic?
Sunspots are magnetic in nature. They are the places ("active regions") where the Sun's magnetic field rises up from below the Sun's surface and those magnetic regions poke through. Sunspots are darker than the surrounding areas because they are expending less energy and have a lower temperature.
Why do sunspots have strong magnetic fields?
Sunspots are caused by extremely strong, localized magnetic fields on the Sun. "Jet streams" of plasma that form deep within the Sun's convective zone produce powerful magnetic fields.
What causes the Sun’s magnetic properties?
The Sun's high temperatures cause the positively charged ions and negatively charged electrons that make up its plasma to move around a lot. The moving plasma creates many complicated magnetic fields that twist and turn. The extremely hot plasma that blows off the Sun as the solar wind. also causes a magnetic field.
What evidence do we have that the granulation seen on the Sun’s surface is caused by convection?
What evidence do we have the granulation seen on the sun's surface is caused by convection? The bright centers of granules are hotter than their dark boundaries AND doplar measurements indicate that the centers are rising and the edges are sinking.
Do sunspots have strong magnetic fields?
Sunspots are the most notable structure on the solar surface with strong magnetic fields. The field is generally strongest in a dark area (umbra), but sometimes stronger fields are found in non-dark regions such as a penumbra and a light bridge.
Why does the Sun have a magnetic field?
The sun is made of plasma, a gas-like state of matter in which electrons and ions have separated, creating a super-hot mix of charged particles. When charged particles move, they naturally create magnetic fields, which in turn have an additional effect on how the particles move.
How do magnetic fields affect sunspots?
Sunspots: One interesting aspect of the Sun is its sunspots. Sunspots are areas where the magnetic field is about 2,500 times stronger than Earth's, much higher than anywhere else on the Sun. Because of the strong magnetic field, the magnetic pressure increases while the surrounding atmospheric pressure decreases.
How does the Sun’s magnetic field create sunspots?
Sunspots are caused by disturbances in the Sun's magnetic field welling up to the photosphere, the Sun's visible "surface". The powerful magnetic fields in the vicinity of sunspots produce active regions on the Sun, which in turn frequently spawn disturbances such as solar flares and coronal mass ejections (CMEs).
What information does the size of a sunspot tell us about the Sun’s magnetic field?
what does the size of a sunspot tell us about the Sun's magnetic field and how does it help us predict solar storms? the larger the sunspot the stronger the magnetic field, and greater potential for solar storms.
What phenomena show evidence of the Sun’s magnetic field in their looped shapes quizlet?
The Zeeman Effect shows that sunspots contain magnetic fields. Sunspots are hotter than the photosphere. Solar flares have no known effect on the Earth. Solar prominences have twisted and looped shapes because of the solar magnetic field.
Which of the following is evidence that granulation is caused by convection below the photosphere?
Which of the following is evidence that granulation is caused by convection below the photosphere? The centers of granules are rising and their edges are falling.
What is the relationship between sunspots and the magnetic field?
Sunspots: One interesting aspect of the Sun is its sunspots. Sunspots are areas where the magnetic field is about 2,500 times stronger than Earth's, much higher than anywhere else on the Sun. Because of the strong magnetic field, the magnetic pressure increases while the surrounding atmospheric pressure decreases.
How does the suns magnetic field work?
The sun's magnetic field has two poles, like a bar magnet. The poles flip at the peak of the solar activity cycle, every 11 years. A solar wind composed of charged particles carries the magnetic field away from the sun's surface and through the solar system. The sun is not a solid ball, but rather like a fluid.
What statements accurately describe sunspots?
Sunspots are storms on the Sun's surface. Sunspots are marked by intense magnetic activity. Sunspots produce solar flares and hot gassy ejections. Sunspots can affect Earth's climate.
What makes the Sun’s rotation and magnetic fields different from Earth’s rotation and magnetic field?
Magnetic fields are generated by circulating currents of charged particles in a medium that is electrically-conducting. The sun represents a rotating gaseous body of high-temperature plasma with one type of conductivity. The Earth rotates much faster, and the liquid iron-nickel in its core has another conductivity.
What does the size of a sunspot tell us about the Sun’s magnetic field and how does it help us predict solar storms?
Terms in this set (32) what does the size of a sunspot tell us about the Sun's magnetic field and how does it help us predict solar storms? the larger the sunspot the stronger the magnetic field, and greater potential for solar storms.
How do changes in the magnetic field relate to the formation of sunspots?
Sunspots are areas where the magnetic field is about 2,500 times stronger than Earth's, much higher than anywhere else on the Sun. Because of the strong magnetic field, the magnetic pressure increases while the surrounding atmospheric pressure decreases.
Which of the following is the evidence that convection occurs in the layers just below the Sun’s photosphere?
Which of the following is evidence that convection occurs in the layers just below the suns photosphere? The centers of granules are hot and moving upward away from the center of the sun.
Why do sunspots appear dark?
Sunspots are dark, planet-sized regions that appear on the "surface" of the Sun. Sunspots are "dark" because they are cooler than their surroundings.
What evidence do we have that the granulation seen on the Sun surface is caused by convection?
What evidence do we have the granulation seen on the sun's surface is caused by convection? The bright centers of granules are hotter than their dark boundaries AND doplar measurements indicate that the centers are rising and the edges are sinking.
Is the Sun also a magnet?
Similar to our own planet, the sun is like a huge bar magnet with a north and a south pole producing a magnetic field. But the sun's magnetic field is about twice as strong as the Earth's and much, much larger, extending well beyond the farthest planet in the solar system.
What are sunspots quizlet?
A sunspot is a region on the Sun's photosphere that is cooler and darker than the surrounding material. Sunspots often appear in pairs or groups with specific magnetic polarities that indicate electromagnetic origins. solar flares.
What happens every 11 years on the Sun?
The Sun has its ups and downs and cycles between them regularly. Roughly every 11 years, at the height of this cycle, the Sun's magnetic poles flip — on Earth, that'd be like if the North and South Poles swapped places every decade — and the Sun transitions from sluggish to active and stormy.
What is the cause of the Sun’s magnetic properties?
The Sun's high temperatures cause the positively charged ions and negatively charged electrons that make up its plasma to move around a lot. The moving plasma creates many complicated magnetic fields that twist and turn. The extremely hot plasma that blows off the Sun as the solar wind. also causes a magnetic field.
How the active surface of the Sun is caused by the magnetic field of the Sun?
Electric currents inside the sun generate a magnetic field that spreads throughout the solar system. The field causes activity at the surface of the sun, surging and ebbing in a regular cycle. At the peak of the cycle, the polarity of the field flips, during a time of maximum sunspot activity.
How does the sun’s magnetic field create sunspots?
Sunspots are caused by disturbances in the Sun's magnetic field welling up to the photosphere, the Sun's visible "surface". The powerful magnetic fields in the vicinity of sunspots produce active regions on the Sun, which in turn frequently spawn disturbances such as solar flares and coronal mass ejections (CMEs).
What do sunspots on the sun tell us?
If sunspots are active, more solar flares will result creating an increase in geomagnetic storm activity for Earth. Therefore during sunspot maximums, the Earth will see an increase in the Northern and Southern Lights and a possible disruption in radio transmissions and power grids.
What information does the size of a sunspot tell us about the sun’s magnetic field?
what does the size of a sunspot tell us about the Sun's magnetic field and how does it help us predict solar storms? the larger the sunspot the stronger the magnetic field, and greater potential for solar storms.