A corona (pl.: coronas or coronae) is the outermost layer of a star's atmosphere. It is a hot but relatively dim region of plasma populated by intermittent...

Look up corona or Corona in Wiktionary, the free dictionary. Corona (from the Latin for 'crown') most commonly refers to: Stellar corona, the outer atmosphere...

and titanium oxide. The outermost part of the stellar atmosphere, or upper stellar atmosphere, is the corona, a tenuous plasma which has a temperature above...

image reminiscent of the stellar corona, from which their name derives. The name "coronavirus" is derived from Latin corona, meaning "crown" or "wreath"...

These high-energy stellar winds blow stellar wind bubbles. G-type stars like the Sun have a wind driven by their hot, magnetized corona. The Sun's wind...

Light from a Hot Stellar Corona Detected with the VLT" (Press release). ESO. 1 August 2001. Retrieved 10 July 2006. "What Is the Sun's Corona? | NASA Space...

often the endpoints of stellar evolution and, in this respect, are also called stellar remnants. The state and type of a stellar remnant depends primarily...

1944, Walter Baade categorized groups of stars within the Milky Way into stellar populations. In the abstract of the article by Baade, he recognizes that...

and corona. The term usually refers to the Sun's chromosphere, but not exclusively, since it also refers to the corresponding layer of a stellar atmosphere...

A star system or stellar system is a small number of stars that orbit each other, bound by gravitational attraction. A large group of stars bound by gravitation...

Bayer, Flamsteed, HR, or Draper (not from the supplements) designation. Stellar extremes or otherwise noteworthy stars. Notable variable stars (prototypes...

magnetic field lines that stretch out into the stellar corona. These in turn serve to heat the corona to temperatures over a million kelvins. The magnetic...

In astronomy, stellar classification is the classification of stars based on their spectral characteristics. Electromagnetic radiation from the star is...

completely obscures the bright light of the Sun, allowing the much fainter solar corona to be visible. During an eclipse, totality occurs only along a narrow track...

In astrophysics, stellar nucleosynthesis is the creation of chemical elements by nuclear fusion reactions within stars. Stellar nucleosynthesis has occurred...

Stellar evolution is the process by which a star changes over the course of its lifetime and how it can lead to the creation of a new star. Depending...

corona and lack a convection zone in their outer atmosphere. They have a higher mass loss rate than smaller stars such as the Sun, and their stellar wind...

dwarfs, and white dwarfs which are much more common, the latter being stellar remnants). A G-type main-sequence star with the mass of the Sun will fuse...

Introduction to Stellar Astrophysics (1st ed.). John Wiley and Sons. p. 168. ISBN 978-1-119-96497-1. Pols, Onno Rudolf (2011). Stellar Structure and Evolution...

telescopes is the basis for many fields of astronomy, including photometry and stellar spectroscopy. Hipparchus did not have a telescope or any instrument that...

shape resembling a stellar corona, such as that of the Sun visible during a total solar eclipse; corona is derived from Latin corōna 'garland, wreath,...

instruments sensitive to extreme ultraviolet. The corona is the next layer of the Sun. The low corona, near the surface of the Sun, has a particle density...

before the disk disappears, perhaps being blown away by the young star's stellar wind, or perhaps simply ceasing to emit radiation after accretion has ended...

holes, neutron stars are the second smallest and densest known class of stellar objects. Neutron stars have a radius on the order of 10 kilometers (6 mi)...

second brightest is Sirius at −1.46 mag. For comparison, the brightest non-stellar objects in the Solar System have maximum brightnesses of: the Moon −12...

In astronomy, stellar kinematics is the observational study or measurement of the kinematics or motions of stars through space. Stellar kinematics encompasses...

helium are termed metallic. The presence of heavier elements results from stellar nucleosynthesis, where the majority of elements heavier than hydrogen and...

In astronomy, stars have a variety of different stellar designations and names, including catalogue designations, current and historical proper names...

Observatory. For low-mass stars X-rays are generated by the heating of the stellar corona through magnetic reconnection, while for high-mass O and early B-type...

Stellar parallax is the apparent shift of position (parallax) of any nearby star (or other object) against the background of distant stars. By extension...