STAR

A star is an astronomical object consisting of spheroid of plasma held together by its own gravity the nearest star to earth is the sun.a star life begins with the gravitational collapse of a gaseous nebula of material composed primarily of hydrogen along with helium and trace amounts of heavier elements.astronomers estimate that in our milky way galaxy alone there are about 300billion stars.the life cycle of a star spans billions of years as a general rule the more massive the star the shorter its life span.hot star appears white or blue where the cooler stars appear to have orange or red hues today's astronomers use constellation as guidepost for naming newly discovered stars.

Good night❤️