WebIn astronomy, stellar classification is the classification of stars based on their spectral characteristics. Electromagnetic radiation from the star is analyzed by splitting it with a prism or diffraction grating into a spectrum exhibiting the rainbow of colors interspersed with spectral lines.Each line indicates a particular chemical element or molecule, with the line … WebAstronomy (from Ancient Greek ἀστρονομία (astronomía) 'science that studies the laws of the stars') is a natural science that studies celestial objects and phenomena. It uses mathematics, physics, and chemistry in order to explain their origin and evolution.Objects of interest include planets, moons, stars, nebulae, galaxies, and comets. ...

The Colorful Chromosphere: Sun’s Lower Atmosphere

WebChromosphere literally means “sphere of color.”. This is the second of the Sun’s three main layers of atmosphere. This layer sits just above the photosphere between about 400 km (250 miles) and 2,100 km (1,300 … Webchromosphere [ kroh-m uh-sfeer ] noun Astronomy. a scarlet, gaseous envelope surrounding the sun outside the photosphere, from which enormous quantities of … high chair oribel

Chromosphere Definition & Meaning Dictionary.com

http://www.physics.sfasu.edu/markworth/notes/Quiet_Sunnotes.htm WebChromosphere literally means “sphere of color.” This is the second of the Sun’s three main layers of atmosphere. This layer sits just above the photosphere between about 400 km (250 miles) and 2,100 km (1,300 … WebTemperature. The surface of a star is defined to have a temperature given by the effective temperature in the Stefan–Boltzmann law.Stars, except neutron stars, have no solid or liquid surface. Therefore, the photosphere is typically used to describe the Sun's or another star's visual surface.. Composition of the Sun. The Sun is composed primarily of the chemical … high chair outdoor