Question

1 .why stars are shiny in the sky?
2 .why do they have specific shape?
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Answer 1

Answer:

1 They have shine in night twinkle at night

Answer 2

Answer:

1. Stars shine because they are extremely hot (which is why fire gives off light — because it is hot). The source of their energy is nuclear reactions going on deep inside the stars. In most stars, like our sun, hydrogen is being converted into helium, a process which gives off energy that heats the star.

2.So when light reaches our retina, it shows that it is star-shaped.That people used to draw shapes with five or six or more points to represent stars is not the reason that stars are star-shape. Different image of object is due to the interfere of light and imperfections of optical structures.

Explanation:

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