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Bookmark or Share- Stars and Galaxies | NASA Jet Propulsion Laboratory (JPL)Powerful telescopes on Earth and observatories in space, including many developed and managed by JPL, have peered back in time across colossal distances. They have used multiple wavelengths of light to view stars, galaxies, and other cosmic objects, sometimes as they were billions of years ago.
- The Lives, Times, and Deaths of Stars - NASA ScienceFrom birth to death, these burning spheres of gas experience some of the most extreme conditions our cosmos has to offer. A visualization flying into the nebula Gum 29 and the star cluster Westerlund 2 at its core. All stars are born in clouds of dust and gas like the Pillars of Creation in the Eagle Nebula pictured below.
- Stars | NASA Space Place – NASA Science for KidsWhat Is a Supernova? What Are Constellations? How Does Our Sun Compare With Other Stars? What Is a Nebula? Glossary for "Sign Here!" words. How Many Solar Systems Are in Our Galaxy? Make colorful star cookies! What Is Dark Matter?
- Stars - NASA ScienceStars are giant balls of hot gas – mostly hydrogen, with some helium and small amounts of other elements. Every star has its own life cycle, ranging from a few million to trillions of years, and its properties change as it ages. Stars form in large clouds of gas and dust called molecular clouds.
- Star Types - Science@NASAScientists call a star that is fusing hydrogen to helium in its core a main sequence star. Main sequence stars make up around 90% of the universe’s stellar population. They range in luminosity, color, and size – from a tenth to 200 times the Sun’s mass – and live for millions to billions of years.
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