Wednesday, December 3, 2008

H-R Diagram. shaaaa!!!!!!!!:)

1. On an H-R Diagram, what is the main sequence?



The main sequence is on a H-R Diagram is where most of the stars are at.



2. What percentage of stars are main sequence stars?



90% of stars are main sequence stars.



3. Is the Sun a main sequence star?



Ah yea, the Sun is a main sequence star.



4. What will happen to the Sun next? When will this happen?




The Sun will turn into a red GIANT in about 4 billion years. (really long time)



5. Include a picture of an H-R Diagram. Explain it.



On an H-R diagram, the colder stars are on the right side and the warmer stars are on the left. The stars on the bottom are dimmer and the higher up on the chart the stars are, the brighter they are. :)


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