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Solar system
01
太陽系
the sun and the group of planets orbiting around it, including the earth
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The solar system’s formation began about 4.6 billion years ago from a giant molecular cloud of gas and dust.
The discovery of exoplanets in other star systems has led to comparisons with our own solar system, offering insights into planetary formation and dynamics.
The solar system consists of eight planets, with Earth being the third planet from the Sun.
Comets, such as Halley's Comet, travel through the solar system in elongated orbits and are known for their glowing comas and tails.
The positional relationship between the sun and the planets determines their orbits in the solar system.
