hi guys it is me again
how do stars die
When their nuclear fuel is exhausted, the most massive stars explode in a spectacular fashion
how can stars be used to navigate
what is a star describe nebula
A nebula is a giant cloud of dust and gas in space. Some nebulae (more than one nebula) come from the gas and dust thrown out by the explosion of a dying star, such as a supernova. Other nebulae are regions where new stars are beginning to form
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