ASTRO Chapter 2 Recap

Front

What causes the dark boundaries around granules on the Sun's surface?

Back

Cool gases sinking to solar interior.

Front

What is the primary cause of the solar wind?

Back

Ejection of gas from the Corona.

Front

Which region of the Sun is characterized by energy traveling mainly in the form of electromagnetic waves?

Back

Radiative zone.

Front

Which layer of the Sun's atmosphere is known as the outermost region?

Back

Corona.

Front

What is a sunspot?

Back

A temporary phenomenon on the Sun's photosphere that appears as spots darker than the surrounding areas.

Front

What is the Photosphere?

Back

The visible surface of the Sun, where light is emitted.

Front

Define the Chromosphere.

Back

A layer of the Sun's atmosphere above the Photosphere, characterized by a reddish glow during solar eclipses.

Front

What are Spicules?

Back

Jet-like structures in the Sun's atmosphere that are made of plasma and extend into the corona.

Front

What is the Convective Zone?

Back

The outer layer of the Sun's interior where energy is transferred by convection.

Front

What is the significance of the Solar Corona?

Back

The outermost layer of the Sun's atmosphere, visible during a total solar eclipse, and is much hotter than the surface.