A chromosphere ("sphere of color", from the Ancient Greek words χρῶμα (khrôma) 'color' and σφαῖρα (sphaîra) ' sphere ') is the second layer of a star's atmosphere, located above the …

Dec 15, 2025 · The chromosphere represents the dynamic transition between the cool temperature minimum of the outer photosphere and the diffuse million-degree corona above. It …

The chromosphere is a thin layer of plasma that lies between the Sun’s visible surface (the photosphere) and the corona (the Sun’s upper atmosphere). It extends for at least 2,000 km …

Jan 14, 2025 · At these higher temperatures hydrogen emits light that gives off a reddish color (H-alpha emission). This colorful emission can be seen in prominences that project above the …

Chromosphere 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) …

Above the photosphere is a layer of gas, approximately 2000 km thick, known as the chromosphere or sphere of color. In the chromosphere energy continues to be transported by …

Jun 16, 2003 · The chromosphere (from the Greek word χ ρωμoσ, color) is the lowest part of the solar atmosphere, extending to an average height of ∼2000 km above the photosphere.

Temperatures in the chromosphere range from around 6,000 to 20,000 degrees Celsius. While the flux from the photosphere dominates images of the Sun, the main source of light from the …

The solar chromosphere is a thin and dynamic layer of the Sun's atmosphere located directly above the photosphere, extending only a few thousand kilometers in thickness.

Unique features of the chromosphere evident in Ca II K are plage, pores, supergranulation cells and the chromospheric network. Also observed in Ca II K are solar features typically discussed …