Stars Facts
Stars Facts
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Interesting Stars Facts: |
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When a star dies it experiences an explosion called a supernova. |
The Hertzsprung - Russell diagram or HR diagram is used to compare stars' brightness and temperature. |
The HR diagram was discovered by two astronomers named Ejnar Hertzsprung and Henry Norris Russell. |
All stars begin their life cycle in a cloud of dust called nebulae. |
Most stars are main sequence stars and remain in this state for much of their lives. |
Main sequence stars are categorized by their color. |
Small stars usually have a longer life span than large stars. |
The Sun is a star. |
The Sun is over 4 billion years old. |
The stars we see in the sky are about 25 million miles away from Earth. |
The universe has more than 200 billion billion stars. |
Some stars in our solar system are larger than the Sun. |
Without stars there would be nothing to heat and light planets. |
Some stars are known as binary stars because they have a twin star nearby that looks just like it. |
When stars are all together and form a pattern, it is called a constellation. |