Below are videos that will help you understand the sun and stars.
After each topic are questions for you to answer in your science journal. For homework, take notes while you watch and answers the questions in your science journal. Write the date & topic as your header. Type & paste or write the answers in complete sentences with neat handwriting in your science journal.
The Sun and Other Stars
- Sirius, the brightest star in the sky, is 8.8 light years from Earth. If light travels at 299,792km/sec (300,000km/sec). How far away is Sirius in km? WHich year did Sirius give off the light you see when looking at the star today
1light year(ly)= speed of light x time
300,000km/sec x 1year x 365days x 24 hrs x 3600sec
=9,460,000,000,000km or 9.46 x 10 to the 12th power km is the distance light travels in a yr.
________________________________________________________________
H-R Diagrams
- What does an H-R Diagram show?
- Make a list of colors (red, yellow, blue, white) and write different stages of the star's evolution.
____________________________________________________________
Planetary Systems and Binary Stars
Click on link below and read articel and watch video in the article.
- What is a circumbinary planetary system?
- What the difference between Kepler 47-b and Kepler 47-c?
- Why is the Kepler discovery important?
_____________________________________________________________
The Life Cycle of Stars
- What is a protostar?
- How is a star's energy source begins and ends?(Be specific)
- What is a red giant?
- What is a nebula?
- What is a black dwarf?
- Explain what happens in a super nova explosion?