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Stars form when dense portions of interstellar medium condense due to gravity.
The collapsing cloud of dust and gas forms a large, hot core that develops into a main sequence star. As these stars decay, they expand, and their later fate depends on the star's original mass. More >>

Stellar evolution - Wikipedia


... depiction of the life cycle of a Sun-like star, starting as a main-sequence star at lower left then expanding through the subgiant and giant phases, until its outer envelope is expelled to form ...

The Life Cycle Of A Star


THE LIFE CYCLE OF A STAR. Outlined below are the many steps involved in a stars evolution, from its formation in a nebula, to its death as a white dwarf or ...

Life Cycle of a Star | National Schools' Observatory


Stars are formed in clouds of gas and dust, known as nebulae. Nuclear reactions at the centre (or core) of stars provides enough energy to make them shine ...

www.ask.com/youtube?q=Life Cycle of a Star&v=PM9CQDlQI0A
Nov 1, 2012 ... Explains how we believe stars are born, live and die and the different ends to different sized stars. Learn even more on Teaching Astronomy on ...

The Life of a Star


This page (as the title says) is all about the life of a star. It will show all the stages that a small star, and a massive star have to go through during their lifetime.

Background: Life Cycles of Stars - Imagine the Universe! - NASA


May 7, 2015 ... A star's life cycle is determined by its mass. The larger its mass, the shorter its life cycle. A star's mass is determined by the amount of matter that ...

The Life Cycles of Stars - Imagine the Universe! - NASA


The Life Cycles of Stars. I. Star Birth and Life. Imagine an enormous cloud of gas and dust many light-years across. Gravity, as it always does, tries to pull the ...

ASPIRE Star Life Cycle - University of Utah


A series of lessons and interactive activities designed to teach about stellar evolution, star classifications, and fusion.

Star Life Cycle - Zoom Astronomy - Enchanted Learning


THE LIFE CYCLE OF STARS. Stars are born in nebulae. Huge clouds of dust and gas collapse under gravitational forces, forming protostars. These young stars ...