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Ordinary, main-sequence stars are enormous balls of plasma held together by gravity and powered by fusion reactions deep within incredibly hot and dense cores. Our own Sun […]

Not so long ago, we lived in a universe with only nine known planets (before Pluto was demoted), all within our own solar system. In the last […]

Hurled into the Sun You will need: Earthmoving equipment. Method: Hurl the Earth into the sun. Sending Earth on a collision course with the sun is not […]

The stars and the galaxies in the distant sky never cease to amaze us. From bursting nebulas to monstrous planets, from dreaded black holes to dust clouds, […]

Remember those times in the 5th grade when even a star twinkling brighter in the sky caught your attention? When you had numerous questions piling up in you […]