The Sun Vocabulary Review

Skylab is:

• an azure colored room at NASA
• set up by the European and Russian space agencies to study Earth
• used to study the Sun and space from the vantage of space
• none of the above

How many stars make up the Milky Way Galaxy?

• Our Sun is the only star in the Milky Way Galaxy
• over 100 million
• over 200 million
• over 200 billion

How long does it take light to reach Earth from the Sun?

• 8 seconds
• 8 minutes
• 8 hours
• 8 parsecs

Define plasma

• super-heated form of electrified and magnetized gas
• modern large screen television type
• the combination of gases, liquids and solids
• none of the other choices

The Sun's core has which temperature?

• 10,000^oF
• 270,000^oF
• 27 million ^oF
• 27 billion ^oF

Which are the three regions of the Sun?

• heliosphere, troposphere, photosphere
• corona, chromasphere, heliosphere
• photosphere, corona, troposphere
• photosphere, chromasphere, corona

What is the definition of a sunspot?

• dark, cooler regions of the Sun that can stretch thousands of miles across
• different latitudes on the Sun's surface that rotate at different speeds
• energy released from magnetic fields on the Sun's surface
• none of the other choices

Alphane waves are:

• magnetic waves that stretch out into space and are carried by the solar winds
• occur in the plasma of ionized gases that bring turbulent energy from the interior of the Sun to the Corona through friction
• seasons that have more or fewer sunspot activity on the Sun
• also known as solar storms

How long is the solar cycle; composed of both the solar minimum and maximum?

• 11 years
• 11 days
• 11 weeks
• 11,000 years

Huge amounts of mass and energy that is expelled from the solar surface is:

• prominences and flares
• coronal mass ejections
• the Ort cloud
• none of the other choices