Re: If the Sun dissipated ?
If the Sun dissipated, or was no longer there, the Earth would stop orbiting it and would carry on at a tangent to its original orbit. After 8 minutes or so, we would recieve no more light. With no Sun to warm us, the planet would soon freeze. Geothermal energy wouldn't be enough to keep us going.
Within a short time, all unprotected life would die. Maybe we could protect ourselves from the cold somehow, but before long the atmosphere itself would condense and freeze. In the end the surface temperature (of the frozen atmosphere) would drop to well below -230C.
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