Stars By Emma

Stars are very close to earth the closest star to earth is about 23.5 trillion miles away. Stars are also held together by gravity. Initially stars are formed by gas and dust.

How Far Away Are Stars From Earth? Stars are really far away. The closest star to earth is about 23.5 trillion miles away. The closest star to earth is the sun which is the source to most of the energy on earth.

What are Stars Made Of And Why Do We See Them At Night? A star is a massive luminous ball held together by gravity. Stars are collapsing clouds of material composed primarily of hydrogen. Stars are visible in the night sky, when they are not outshone by the sun. Stars are very hot and give off huge amounts of energy that form light and heat Stars are formed initially from gas and dust. They are composed mainly of the hydrogen gas

Do Stars Ever Change Colour? S t a r s a r e m a n y c o l o u r s a n d s i z e s. T h e l a r g e s t s t a r i s t h e R e d S u p e r g i a n t B e t e l g e u s e. N e x t a r e t h e b l u e g i a n t s R i g e l a n d P o l a r i s ( t h e p o l e s t a r ). O u r s u n c a l l e d t h e “ Y e l l o w D w a r f ” t h a t i s a s m a l l y e l l o w d o t.

Are Stars Hot? How? S t a r s a r e g i a n t n u c l e a r r e a c t o r s, w h i c h m a k e s s t a r s h o t a n d b r i g h t. T h e s u n i s g e t t i n g h o t t e r w h i c h i s a d d i n g h e a t t o t h e e a r t h w h i c h i s w h y w e h a v e w a r m i n g f r o m g r e e n h o u s e g a s e s.

I researched stars because I really wanted to know why we see stars at night and not in the day. I also found out some other really interesting facts. Do you think there will still be stars in the next 150 years?

Bibliography Stars and planets Volume 3 By: Nicholas Harris

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