ASTRONOMY 5

THIRD HOUR SESSION “F”

NAME

KEY - F

 

 

 

 

 

ACTIVITY: The Sun

DATE

 

ID#

 

1.   What is the visible part of the sun called?

Photosphere

2.   What is the name of the white crown which surrounds the sun – often seen during a total solar eclipse?

Corona

3.   Go to the website __http://umbra.nascom.nasa.gov/images/___.  Scroll down until you find the solar image labeled __Intesitygram_.  Make a sketch of the current sunspots below…

 

 

 

 

 

 

 

 

 

 

 

 


Question 4-8 use Starry Night

4. Go to Starry Night and set it for the Friday’s date for 12 noon. When will the Sun set on Friday night and when will rise Saturday morning?

 

6:06 pm

6:23 am (± 2 min)

5.   Using Starry Night again, what constellation is the Sun in for the date in Question 4?

Aquarius

6.   Using Starry Night again, what time for the date in Question 4 will the sun be at its highest altitude?

12:15 PM  PST

7.   Using Starry Night again, set the clock to the time as determined in the previous problem. What is the altitude and azimuth of the Sun (to the nearest degree)?

48

180

8. Using Starry Night again, now set the date to _January 1__ and the time to noon. What time does the sun reach its maximum altitude on this day? Is this time the same as in Question 6 (to within a minute)?

12:09 PM  PST

no

 

9. Now go the web site __http://eclipse.gsfc.nasa.gov/eclipse.html__. When is the next total solar eclipse that passes through _the US_? Will the path of totality pass through _California_?

August 21, 2017

no

 

10. Now go to the website __https://en.wikipedia.org/wiki/Sun_. What’s the 3rd most common gas in the Sun?

Oxygen

 

11. On the same website, what is the temperature of the layer that is asked about in Number 1?

5778 K (I guess about 6000 K is OK)

 

12. On the same website, find another interesting fact about the sun

Many answers are possible here.