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The planet Mercury is the closest of the planets to the Sun.
Mercury is:
*heavy *cool *has wrinkles *has no atmosphere *has no moons |
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The planet Venus has long been one of the most misunderstood of all the inner planets.
Venus is:
* dry * has a liquid molten core * rotates very slowly
* has no moons * has an atmosphere |
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The Earth is the biggest of all the terrestrial planets.
* The Earth has one moon. Its name is Luna. * water bodies cover nearly 70 percent of the Earth's surface.
* rotates around its own axis that tilts at around 23 degrees. * The Earth's molten iron core creates a magnetic field. |
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| * the only water on Mars is either frozen in the polar caps, or underground. * Mars has two moons, their names are Deimos and Phobos. * Mars has higher mountains, and deeper canyons than any other planet. * Mars has the Solar Systems biggest volcano, Olympus Mons. * Mars has a North and a South Pole as Earth. |
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* This giant planet has no solid surface.
* Under its atmosphere is a large liquid ocean of hydrogen and water. * Jupiter has at least 63 moons. * Jupiter spins really fast. * Rather than round it is short and fat. |
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* Its beautiful rings are 169,800 miles wide, but less thick than a football field. * Saturn has 34 moons. * Saturn was the god of agriculture, he was called Cronus by the Greeks. * Under the clouds of methane and helium the sky gradually turns into liquid until it becomes a giant ocean of liquid chemicals. * Saturn has several hundred rings.
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| * Unlike all the other planets and most of the moons in our Solar System Uranus spins on its side. * Uranus has 27 moons. * It has a large rocky core, and because of the tremendous pressure could possibly contain trillions of large diamonds. * Five of these moons are large, and the rest are smaller. * In astronomy mythology, Uranus was the lord of the skies. |
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* Neptune has a giant storm. * Neptune has six rings which circle the planet. * Neptune has 13 moons that we know of.
* Is cold. * It doesn't have air clouds, it has gas clouds. |
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* Luna is a beautiful world that lies some 384,400 kilometers from Earth. * It is littered with mountains, valleys, old volcano sites, and many bowl like holes called Craters. * You can see it without any telescope, or binoculars. * The core of the Moon has almost completely cooled down. * The moon is not a planet, but a satellite of the Earth.
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* An asteroid is a large rock in outer space.
* Some can be very large, while others are as small as a grain of sand. * asteroids do not have enough gravity to pull themselves into the shape of a ball. * The asteroid belt is divided into an inner belt and an outer belt. * Asteroids are left over materials from the formation of the Solar System. |
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| * Comets are made out of dust, and ice. Kind of like a dirty snow ball. * Comets come from two places: The Kuiper Belt, and the Oort Cloud. * Comets don't live very long once they enter the warmer part of the Solar System. * Comets are small and irregularly shaped objects. * Comets put on a spectacular show when they visit the inner solar system. |
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* This star provides all the energy necessary to sustain life on Earth. * The Sun was born in a vast cloud of gas and dust around 5 billion years ago. * The Sun burns hydrogen at its core. * 98% of all matter within the Solar System is found within the Sun. * The surface of the Sun is much cooler than its atmosphere. |
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| * A meteoroid is a small rock or particle of debris in our solar system. * A meteoroid that burns up as it passes through the Earth’s atmosphere is known as a meteor. * The Earth’s atmosphere experiences millions of meteors every day. * Meteors are easier to see during the lower light conditions of night. * The fastest meteoroids travel through the solar system at a speed of around 42 kilometres per second (26 miles per second). |
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The Milky Way Galaxy
Fabio Ruiz |
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* It’s a barred spiral. They have a majestic arms sweeping out from a central hub or bulge of glowing stars. * There’s a supermassive black hole at its heart. * Galaxies are big, and have lots of mass.
* The Milky Way is a flat disk roughly 100,000 light years across and a few thousand light years thick. * 90% of it is invisible.
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