Coronal holes are regions of the Sun's corona that emit low levels of ultraviolet and X-ray radiation compared to their surroundings. They are composed...

the corona is more or less confined to the equatorial regions, with coronal holes covering the polar regions. However, during the Sun's active periods...

A coronal mass ejection (CME) is a significant ejection of plasma mass from the Sun's corona into the heliosphere. CMEs are often associated with solar...

interaction region (CIR), a high-speed stream of solar wind originating from a coronal hole. The frequency of geomagnetic storms increases and decreases with the...

included the first observations of coronal mass ejections, then called "coronal transients", and of coronal holes, now known to be intimately associated...

produced an X1.0-class and multiple M-class solar flares and launched several coronal mass ejections (CMEs) toward Earth. On 9 May, the active region produced...

are open, oppositely directed magnetic fields which are anchored to coronal holes lower in the corona. The white-light emissions of helmet streamers is...

quiet-Sun region, a coronal hole, or the Sun's poles, they are sometimes known as active region jets, quiet-Sun jets, coronal hole jets, or polar jets...

non-existent. However, as the pole of Vega is facing Earth and a polar coronal hole may be present, confirmation of a corona as the likely source of the...

In solar physics, a coronal loop is a well-defined arch-like structure in the Sun's atmosphere made up of relatively dense plasma confined and isolated...

result from enhancements in the speed of the solar wind from coronal holes and coronal mass ejections. These disturbances alter the trajectories of charged...

Van Allen Probe team, it was stated that this third belt is a product of coronal mass ejection from the Sun. It has been represented as a separate creation...

the Sun, most often from coronal mass ejections (CMEs) and solar flares from active regions, or, less often, from coronal holes. Minor to active solar storms...

thousands of kilometers into space. Some prominences may give rise to coronal mass ejections. Exact mechanism of prominence generation is an ongoing...

Spicule Moreton wave Solar corona Solar transition region Coronal hole Coronal loop Coronal mass ejection Solar prominence Helmet streamer Solar variation...

also emitting a slow solar wind. The fast solar wind originates from coronal holes, which are funnel-like regions of open field lines in the Sun's magnetic...

November 2018: Voyager 2 crosses the heliopause, departing the heliosphere. Coronal mass ejection Fermi glow Martha, Gale (1 April 2013). "The Sun's Heliosphere"...

Chromosphere Plage Spicule Moreton wave Corona Transition region Coronal hole Coronal loop Coronal mass ejection Nanoflare Prominence Helmet streamer Supra-arcade...

Chromosphere Plage Spicule Moreton wave Corona Transition region Coronal hole Coronal loop Coronal mass ejection Nanoflare Prominence Helmet streamer Supra-arcade...

Chromosphere Plage Spicule Moreton wave Corona Transition region Coronal hole Coronal loop Coronal mass ejection Nanoflare Prominence Helmet streamer Supra-arcade...

solar wind, radio wave flux, solar flares, solar tornadoes, coronal mass ejections, coronal heating and sunspots. These phenomena are believed to be generated...

2019). "Highly structured slow solar wind emerging from an equatorial coronal hole". Nature. 576 (7786): 237–242. Bibcode:2019Natur.576..237B. doi:10...

in the corona, characterization of coronal mass ejection onset, and determination of the structure of coronal holes. Before mid-2010, EIT obtained an Fe...

occur in active regions and are often, but not always, accompanied by coronal mass ejections, solar particle events, and other eruptive solar phenomena...

signals will arrive from that general direction. An active region or coronal hole may persist for some 27 days resulting in a second aurora when the Sun...

Flux transfer event Solar phenomena Solar cycle max min Solar storm Coronal hole CME Solar prominence Solar flare Solar particle event Radio emission...

from the original on 16 November 2023. Retrieved 16 November 2023. "Coronal hole faces Earth". Space Weather Live. Archived from the original on 21 September...

other active region phenomena such as coronal loops, prominences, and reconnection events. Most solar flares and coronal mass ejections originate in these...

Flux transfer event Solar phenomena Solar cycle max min Solar storm Coronal hole CME Solar prominence Solar flare Solar particle event Radio emission...

Baliunas, S; Posmentier, E.S; Okeke, P (2000). "Variations of solar coronal hole area and terrestrial lower tropospheric air temperature from 1979 to...