Star Tracks Wednesday July 4 2017 - Themetechmount News

The pleiades, an open cluster of stars in the constellation of taurus. Nasa photo. A star is a massive, luminous ball of plasma that is held together by its own gravity.

A star is a huge sphere of very hot, glowing gas. Stars produce their own light and energy by a process called nuclear fusion. Fusion happens when lighter elements are forced to become. 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.

[1] the nearest star to earth is the sun. Many other stars are visible to the naked eye at night; Their immense distances. These large, swelling stars are known as red giants. But there are different ways a star's life can end, and its fate depends on how massive the star is.