Tag Archives: Star TriviaHouse And Home

Facts About Stars

Stars are balls of mainly hydrogen and helium gas. Nuclear reactions in the heart of stars generate heat and light. The heart of a star reaches 16 million°C. A grain of sand this hot would kill someone 150 km away. The gas in stars is in a special hot state called plasma, which is made…
Read more…

Celestial Object Facts

Looking at the stars, they seem to move across the night sky as though they were painted on the inside of a giant, slowly turning ball. This is the celestial sphere. The northern tip of the celestial sphere is called the North Celestial Pole. The southern tip is the South Celestial Pole. The celestial sphere…
Read more…