Discovering Planets & Moons

Discovering Planets & Moons — page 7 — Venus SIZE radius 3,760 miles 6,052 km MOONS 0 DISTANCE FROM SUN 67 million miles 108 million km TIME TO ORBIT SUN 1 year 225 Earth days COSMIC DATA Unlike most of the other planets Venus rotates backward so the Sun rises in the west and sets in the east One day on Venus the time it takes for the planet to rotate once takes about 243 Earth days because of this backward rotation Like Mercury Mars and Earth Venus is a terrestrial planet but its surface is unique because it has many volcanoes far more than on Earth Venus also has winds that blow with the force of a hurricane and has been visited by more than 40 spacecraft 10

Discovering Planets & Moons — page 8 — Venus is the second planet from the Sun and other than the Moon is the brightest object in the night sky 11

Discovering Planets & Moons — page 9 — Earth SIZE radius 3,959 miles 6,371 km MOONS 1 DISTANCE FROM THE SUN 93 million miles 150 million km TIME TO ORBIT SUN 1 year 365 days COSMIC DATA Like Mercury Venus and Mars Earth is a terrestrial planet While the surface of our home planet has canyons plains and mountains it is mostly covered in water Earth is the only life supporting planet within our solar system the atmosphere here is mostly nitrogen and oxygen which both allows us to breathe and protects the Earth from any incoming meteors or asteroids Earth is also the only planet with one moon Astronauts have spent a long time studying our Moon and viewing Earth from space 12

Discovering Planets & Moons — page 10 — Supplied by NASA this is an image of planet Earth as it appears from space the bright areas are lights from densely populated areas 13

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