all about stars

stars are massive, they are they are luminous spheres made of gas and what holds it together is something called gravity.

what are the different sizes between the planet earth, jupiter and the sun ? the earth is 12,756 km , jupiteris 142,800 km and the sun is 1,392,000 km

the sun was formed in a nebula (a huge diffuse cloud of gas) same as other stars

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