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.
Artist's 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 ...
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 ...
Stars are a fascinating component of our universe. They may seem like
permanent objects in the sky, but technology has allowed us to photograph the
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 ...
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.
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 ...
A secondary school revision resource for AQA GCSE Additional Science about
the formation of a star, life cycles of stars and fusion in stars.
Apr 16, 2010 ... Once the star contracts enough that its central core can burn ... than Sun exhaust
the helium in the core, the nuclear burning cycle continues.