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.
Explore the mesmerizing world of stars, their life cycle from nebulae to black holes, different types like red giants and white dwarfs.
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