noun
- plural of chromosphere; the reddish gaseous layers of the sun’s atmosphere lying above the photosphere and below the corona
Usage: astronomy
Examples
- Scientists study the chromospheres of different stars to understand stellar atmospheres.
- The chromospheres of red giant stars are much more extended than those of main sequence stars.
- Solar flares originate in the chromospheres and can affect Earth’s magnetic field.
- Astronomers use special filters to observe the chromospheres during solar eclipses.
- The temperature of stellar chromospheres increases with distance from the surface.
- Comparing chromospheres across different star types reveals important atmospheric properties.