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New 2013 Phases of the Moon Animation Released A new animation highlighting the phases of the Moon has been released by the Scientific Visualization Studio at NASA Goddard Space Flight Center in Greenbelt, Md. The animation shows at hourly intervals, the geocentric phase, libration, position angle of the Moon's axis, and apparent diameter of the Moon throughout the year 2013. Topographic measurements by the Lunar Orbiter Laser Altimeter aboard the Lunar Reconnaissance Orbiter make it possible to simulate shadows on the Moon's surface with unprecedented accuracy and detail. LUNAR PHASES If you watch the moon every night, you see its shape appear to change. Does the moon really change shape? Of course not, but its appearance from Earth certainly changes.

The Planet Earth The Earth is the third planet from the Sun in our Solar System. It is the planet, we evolved on and the only planet in our Solar System that is known to support life. It is 149.6 million kilometers away from the Sun. It has one moon. The Earth is the fifth-largest planet in our Solar System (after Jupiter, Saturn, Uranus, and Neptune). The Earth's atmosphere is ideal for supporting life.

Your Weight on Other Worlds Before we get into the subject of gravity and how it acts, it's important to understand the difference between weight and mass. We often use the terms "mass" and "weight" interchangeably in our daily speech, but to an astronomer or a physicist they are completely different things. The mass of a body is a measure of how much matter it contains. Science Games for PreK & K . Science . Education Try some of these free science games for preschoolers and kindergarten featuring PBS KIDS characters to boost your child’s early development of science skills and interest in science. Sid the Science Kid: Kitchen Magician Pick which food Sid’s Grandma heated up in order to make Sid’s meal.Sorting Box Sort the different rocks by color.Collection Jar Explore and organize the objects in Sid’s collection jar in many different ways!Say What? Listen to an animal sound and then click on the animal that makes that sound.I Sense Choose the object that Sid is describing using the five senses.Gerald’s Weather Wheel Dress Up Help dress Gerald for different types of weather!Vegetable Planting Follow different directions to plant some vegetable seeds and help them grow.

The Moon - Facts About The Moon For Kids the Moon was probably made 4.5 billion years ago when a large object hit the Earth and blasted out rocks that came together to orbit round the Earth. They eventually melted together, cooled down and became the Moon. For another 500 million years pieces of rock kept striking aginst the surface of the Moon. You can see the surface of the Moon by using a pair of binoculars or a small telescope. The Moon’s surface shows the damage caused by these large pieces of rock hitting it billions of years ago. The surface is covered in craters, pits and scars. The Space Shuttle Since 1981, NASA space shuttles have been rocketing from the Florida coast into Earth orbit. The five orbiters — Columbia, Challenger, Discovery, Atlantis and Endeavour — have flown more than 130 times, carrying over 350 people into space and travelling more than half a billion miles, more than enough to reach Jupiter. Designed to return to Earth and land like a giant glider, the shuttle was the world's first reusable space vehicle. More than all of that, though, the shuttle program expanded the limits of human achievement and broadened our understanding of our world. It all started with STS-1, launched on April 12, 1981, just twenty years to the day after Soviet cosmonaut Yuri Gagarin became the first human in space.

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