Solar System Archives — Page 4 of 5

Moon and Jupiter

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Moon and Jupiter

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The Moon tours the solar system

But the next year, astronomers found a second object in a similar orbit, then another, and another. Instead of a

The Venusian clouds kept astronomers from seeing the planet's surface. Without visible landmarks, they could not measure how fast Venus

Planning to take a vacation soon? Visit Phobos! Small and cozy, Phobos orbits the fourth planet from the Sun in

Without being informed of the expected product, the students will make a Play-doh model of the Earth-Moon system, scaled to

While not all of the planets rotate on their individual axes in the same direction — Uranus and Venus both

In the winter of 1504, astronomer Nicolaus Copernicus watched as the planets Mars, Jupiter, and Saturn grouped close together in

Yet many remained, and are still with us today: a small planet (and maybe more than one), icy planetesimals that

The solar system’s outer realm contains four giant planets. The largest is Jupiter, at about 11 times Earth’s diameter. Despite

The structures of the terrestrial planets are similar. Each planet has a layered structure that developed through a process called