What Is Star..........⚠️
Answers
Answer:
Stars are huge celestial bodies made mostly of hydrogen and helium that produce light and heat from the churning nuclear forges inside their cores. Aside from our sun, the dots of light we see in the sky are all light-years from Earth.
1a : the furrowed nut of any of a genus (Juglans of the family Juglandaceae, the walnut family) of deciduous trees especially : the large edible nut of an English walnut. b : a tree that bears walnuts. c : the wood of a walnut that is often used for cabinetmaking and veneers. 2 : a moderate reddish brown. Walnut.
Answer:
A star is an astronomical object consisting of a luminous spheroid of plasma held together by its own gravity. For most of its active life, a star shines due to thermonuclear fusion of hydrogen into helium in its core, releasing energy that traverses the star's interior and then radiates into outer space.
• Stars are classified by their spectra (the elements that they absorb) and their temperature. There are seven main types of stars. In order of decreasing temperature, O, B, A, F, G, K, and M. O and B stars are uncommon but very bright; M stars are common but dim