Research in science class

Kia ora. Today in Hurumanu 3 we were told to research questions by Mr. Reizinger our science teacher. 

1.What is a solar system? The solar system planets traveling around the sun it takes 365 days to travel around the sun. They are many other solar systems out there. 

2.What is a star? A star is a luminous ball of gas, mostly hydrogen and helium, held together by its own gravity.

3.How do stars die? Stars die because they had run out of their nuclear fuel. 

4. Is they an up or down in space? In space, they are1 no up or down

5. How can stars be used to navigate? The North star moves in a very small circle above the North celestial pole, while all the other stars in the Northern Hemisphere rotate around it.