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Star - Wikipedia


A star is a luminous sphere of plasma held together by its own gravity. The nearest star to Earth .... Cecilia Payne-Gaposchkin first proposed that stars were made primarily of hydrogen and helium i...

What are stars made of?


Our nearest star, the Sun, is so hot that the huge amount of hydrogen is undergoing a constant star-wide nuclear reaction, like in a hydrogen bomb. Even though ...

NASA - A Star Is a Big Ball of Gas


Apr 2, 2008 ... What is a star? A star is a big ball of gas. It is not star-shaped. Stars give off heat and light. How is a star made? Stars are born in nebulas.

Are we really all made of stardust?| Explore | physics.org


It sounds like a line from a poem, but there is some solid science behind this statement too: almost every element on Earth was formed at the heart of a star.

Are We Really All Made of Stars? - Live Science


Oct 13, 2010 ... The theory that everyone - and everything - on Earth contains minuscule star particles dates back further than Moby's 2002 song "We Are All ...

What is a star made up of? What reactions occur inside it? - Quora


Aug 26, 2014 ... Majority of the stars in the universe have the following composition:- 1. Hydrogen ... It accumulates in a star's core as a result of fusion. 3.

How much of the human body is made up of ... - Physics Central


All of these things are made of various molecules and atoms. ... As a star ages, it then fuses the helium with hydrogen to form lithium which has three protons in ...

Astronomers spot Earth sized star made of DIAMOND | Daily Mail ...


Jun 23, 2014 ... Now that's a precious star: Astronomers spot Earth sized white dwarf made ... Researchers have discovered a star the size of our planet made ...

Stars - Astronomy - Quatr.us


Stars - What is a star? When did the first stars form? What are stars made of? What are the different kinds of stars?

astrophysics - Properties of a star made from water? - Physics Stack ...


May 13, 2015 ... What would the properties of a star formed from a sphere a water/ice be? ... The question is sort of invalid, actually :) You can't have a star made ...

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What are stars made of? | Cool Cosmos


Most stars have small amounts of heavier elements like carbon, nitrogen, oxygen and iron, which were created by stars that existed before them. After a star runs ...

What are Stars Made Of? - Universe Today


You might not be surprised to know that stars are made of the same stuff as the ... Universe were so hot that it was equivalent to being inside the core of a star.

How is a star born? - Scientific American


A star is born when atoms of light elements are squeezed under enough ... Interstellar matter, that found lying between the stars, is made from gas and dust.