The Sun Flashcards
What mission is approaching the sun?
The Parker Solar Probe
How many stars other than the sun are in our solar system?
Zero
What does the sun provide?
Light and heat.
Is the sun a special star?
Only to us.
What does heat from the Sun’s core do as it moves outwards?
It cools.
How hot is the core of the sun?
27,000,000 degrees Fahrenheight.
How hot is the visible surface of the sun?
10,000 degrees Fahrenheight.
What is a coronal mass ejection?
When there’s a solar flare, followed by high energy particles that travel at half the speed of light.
What causes space weather events?
The Sun.
How can you measure activity on the Sun?
Count sunspots.
What does having a lot of sunspots mean?
The sun is more active.
What are sunspots?
Dark spots on the sun.
What happens if you look at sunspots in ultraviolet light?
They appear bright and active.
What is the solar maximum and minimum?
The solar maximum is most amount of sunspots and the solar minimum is the least amount of sunspots.
How long does a full solar cycle take?
Eleven years.