The photosphere is a star's outer shell from which light is radiated. It extends into a star's surface until the plasma becomes opaque, equivalent to...

the photosphere. For the purpose of measurement, the Sun's radius is considered to be the distance from its center to the edge of the photosphere, the...

The photosphere denotes those solar or stellar surface layers from which optical radiation escapes. These stellar outer layers can be modeled by different...

cells in the Sun's photosphere. They are caused by currents of plasma in the Sun's convective zone, directly below the photosphere. The grainy appearance...

1000000 kelvins, much hotter than the surface of the Sun, known as the photosphere. Corona (Latin for 'crown') is, in turn, derived from Ancient Greek κορώνη...

the different spectral lines vary mainly due to the temperature of the photosphere, although in some cases there are true abundance differences. The spectral...

December 1881 – 15 July 1966) was an English filmmaker who invented the "photosphere" from which he filmed and photographed undersea. He is credited as being...

phenomena and despite the fact that they are mostly visible in the solar photosphere they usually affect the entire solar atmosphere. They are regions of...

Convection zone Microturbulence Oscillations Radiation zone Atmosphere Photosphere Starspot Chromosphere Stellar corona Alfvén surface Stellar wind Bubble...

phases of the light curve decline steeply as the effective size of the photosphere decreases and trapped electromagnetic radiation is depleted. The light...

atoms in the solar atmosphere absorb light being emitted by the solar photosphere. The lines are named after German physicist Joseph von Fraunhofer, who...

the perceived depression of a sunspot's umbra, or center, in the Sun's photosphere. The magnitude of the depression for the umbra is between 500 and 1000...

appear to be large enough to completely cover the Sun's bright disk or photosphere; a total eclipse has a magnitude greater than or equal to 1.000. Conversely...

last bit of photosphere disappears. As the burst of light from the ring fades, Baily's beads appear as the last bits of the bright photosphere shine through...

generates sunspots. The visible outer surface of the Sun is called the photosphere. Above this layer is a thin region known as the chromosphere. This is...

hydrogen into helium at its core, releasing this energy from its outer photosphere. Astronomers classify it as a G-type main-sequence star. The largest...

by the gravitational pull of the Sun as it passed close to the Sun's photosphere (that is, the Sun's apparent surface). He reworked his calculation in...

diameter. They move upwards with speeds between 15 and 110 km/s from the photosphere and last a few minutes each before falling back to the solar atmosphere...

Scenic Byways Kona-Kohala Chamber of Commerce North Kona shoreline access map at Hawaiʻi County web site Photosphere of Kailua-Kona by Gerald Besson...

light-years wide. Betelgeuse became the first extrasolar star whose photosphere's angular size was measured in 1920, and subsequent studies have reported...

cinematographer John Ernest Williamson devised a viewing chamber called the "photosphere", a 6×10-foot steel globe in which a cameraman could be placed. The chamber...

Convection zone Microturbulence Oscillations Radiation zone Atmosphere Photosphere Starspot Chromosphere Stellar corona Alfvén surface Stellar wind Bubble...

2014). "How dusty is α Centauri? Excess or non-excess over the infrared photospheres of main-sequence stars". Astronomy & Astrophysics. 563: A102. arXiv:1401...

upon their surface temperature, known as effective temperature. The photosphere of the Sun, for instance, has an effective temperature of 5772 K [1][2][3][4]...

observation, supergranulation is a pattern of convection cells in the Sun's photosphere. The individual convection cells are typically referred to as supergranules...

The Dubai Future Forum is an annual event organized by the Dubai Future Foundation in Dubai, United Arab Emirates. The forum is held at the Museum of the...

the temperature of the photosphere is nearly steady. Changes in the core lead to changes in the supply of energy to the photosphere, but such changes are...

at shorter wavelengths, which makes them appear whiter. D Effective photosphere temperature. The 273.15 K difference between K and °C is rounded to 273 K...

the CNO cycle. The composition of the Sun varies with depth. In the photosphere, it is about 73–74% hydrogen by mass, the rest being primarily helium...

Convection zone Microturbulence Oscillations Radiation zone Atmosphere Photosphere Starspot Chromosphere Stellar corona Alfvén surface Stellar wind Bubble...