Wikipedia:Featured topics/Solar System
The Solar System is a
small Solar System bodies: the asteroid belt between the orbits of Mars and Jupiter, the Kuiper belt just beyond the orbit of Neptune, and possibly the Oort cloud in the outer reaches of the Solar System. The entire system was formed roughly 4.6 billion years ago from the remnants of the Sun's molecular cloud, and the hydrogen and helium
that was present in this cloud constitutes much of the Solar System's mass.
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