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- Stars - NASA Science
A star’s gas provides its fuel, and its mass determines how rapidly it runs through its supply, with lower-mass stars burning longer, dimmer, and cooler than very massive stars More massive stars must burn fuel at a higher rate to generate the energy that keeps them from collapsing under their own weight
- Star - Wikipedia
A star is a luminous spheroid of plasma held together by self-gravity [1] The nearest star to Earth is the Sun Many other stars are visible to the naked eye at night; their immense distances from Earth make them appear as fixed points of light The most prominent stars have been categorised into constellations and asterisms, and many of the brightest stars have proper names Astronomers have
- Star | Definition, Light, Names, Facts | Britannica
Star, any massive self-luminous celestial body of gas that shines by radiation derived from its internal energy sources This article describes the properties and evolution of individual stars Included in the discussion are the sizes, energetics, temperatures, masses, and chemical compositions of stars
- Star Facts - Interesting Facts about Stars
Stars are luminous spheres made of plasma – a superheated gas threaded with a magnetic field They are made mostly of hydrogen, which stars fuse
- Stars: Facts about stellar formation, history and classification
How are stars named? And what happens when they die? These star facts explain the science of the night sky
- Stars—facts and information | National Geographic
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
- Stars - Imagine the Universe!
Advanced Stars A star is a sphere of gas held together by its own gravity The closest star to Earth is our very own Sun, so we have an example nearby that astronomers can study in detail The lessons we learn about the Sun can be applied to other stars Tell me more about the Sun A star's life is a constant struggle against the force of gravity Gravity constantly works to try and cause the
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