The Sun

Sun is a giant ball of ______ and _______.

• plasma

• solar flares

• wind

• hot gases

Temperatures reach as high as ____ degrees Fahrenheit (2 million K) in the corona.

• 3.6 million

• 1 million

• 10,000

• 100,000

The _____ is the single largest part of the Sun's atmosphere and extends millions of Km into space.

• chromosphere

• photosphere

• exosphere

• corona

CME's compress the Earth's _____ causing charges particles to interact and/or pass through it.

• atmosphere

• magnetosphere

• ozone layer

• crust

The real color of the Sun is _______.

• orange

• white

• yellow

• red

In which area of the sun does gas rise as it heats up, then fall back down as it cools?

• the core

• the radiative zone

• the convective zone

• the corona

What is D?

• Chromosphere

• Corona

• Photosphere

  Prominence

• Photosphere

Which layer of the sun is the hottest?

• Photosphere
• Chromosphere
• Corona
• Core

Our Sun is classified as a spectral "G₂" star - meaning that

• there are trillions more like it in our galaxy.

• it will die in a supernova explosion one day.

• there are no other stars like it.

• it has an average temperature & relative size.

Sunspots are related to several other features on the Sun including

• prominences.

• the corona.

• the main magnetic field.

• flares.