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Proportional Planets’ scale model of the solar system features die-cut vinyl images with adhesive backing of the eight major planets and the Moon. Sizes range from 27.4 inches (69.6cm) for ...
A group of friends discovered there were no proportional models of the solar system with complete planetary orbits—most portray the planets and moons as too close together. So, they decided to ...
An object dubbed 3I/ATLAS is only the third interloper from outside the Solar System seen in all of human history.
Large moons are much more prolific in the outer solar system. Two satellites, Ganymede and Titan, are even bigger than Mercury. But compared to their giant host planets they might as well not exist.
The inner solar system spins much more slowly than the laws of modern physics predict, and a new study may help to explain why. A thin disk of gas and dust — known as an accretion disk ...
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