Sentence examples for coronal hole from inspiring English sources
noun
A region in the corona of a star where magnetic field lines extend out into space, allowing solar wind to escape.
Where the magnetic field is open, the hot material escapes, and a coronal hole results.
The improved chances are due both to the time of year and the impact of a "coronal hole" near the sun's equator, which has aligned with Earth to send speedy, and pretty, solar winds to buffet the planet.
But chances of a sighting as far south as the Midlands have been improved due to a "coronal hole" causing a burst of high-speed solar winds at this time of year, when seeing the aurora is already more likely.
The extra visibility is caused by a burst of solar wind coming from a "coronal hole" in the Sun, which is in line with the worth and is shooting solar winds at the planet.
Coronal hole and high-speed solar wind.
(Top panel) A midlatitude coronal hole during November 2009.
This storm was caused by high-speed solar wind from a coronal hole and started gradually.
(Bottom panel) A side view of the high-speed solar wind coming from a coronal hole.
Figure 24 Scatter plots between solar wind (SW) speed and coronal hole parameters.
The source of the storm at the Sun was a low-latitude coronal hole (Figure 25).
