Explore the mesmerizing world of stars, their life cycle from nebulae to black holes, different types like red giants and white dwarfs.
A star is a luminous spheroid of plasma held together by self-gravity.
[1] the nearest star to earth is the sun.
Many other stars are visible to the naked eye at night;
Their immense distances from earth.
Stars produce their own light and energy by a process called nuclear fusion.
Fusion happens when lighter elements are forced to become heavier elements.
When this happens, a tremendous amount.
Stars spend 90 percent of their lives in their main sequence phase.
Now around 4. 6 billion years old, earth's sun is considered an average-size yellow dwarf star, and astronomers predict it will