GALAXIES A galaxy contains stars gas and dust which are held together as a group by gravity. There are billions of stars in one galaxy.
THE MILKY WAY• Our galaxy is called the Milky Way galaxy.• There are over 100 billions stars in the Milky Way galaxy.
IRREGULAR GALAXIES Some galaxies are called eliptical. A galaxy may be called “irregular” if it doesn`t really have a shape.
SOLAR SYSTEM IOur solar system consits of thesun, eight planets and a dwarf planet (and their moons, an asteroid belt , and many comets an meteors.
SOLAR SYSTEM II• The sun is the center of our solar system. The planets, their moons and other rocks and gas all orbit the sun.
SOLAR SYSTEM III• The planets that orbit the sun are ( in order from the sun ) : Mercury, Venus, Earth, Mars and Jupiter (the biggest planet in our Solar System), Saturn, Uranus, Neptune and Pluto.
THE SUN• Galaxies are labelled according to their shape.• Our sun is a star in one of the galaxy’s arms.
THE PLANETS • The planets that orbit the sun. • There are eight planets:Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune. • They can be inners or outers.
OUTER PLANETS • There are 4 outer planets:Jupiter, Saturn, Uranus, Neptune. • The outer planets (those planets that orbit far from the sun).
INNER PLANETS• There are 4 planets:Mercury, Venus, Earth and Mars. The inner planets (those planets that orbit close to the sun) are a quite different from the sun.
LIGHT YEARS The distance across galaxies is usually very big, it con be many light-years. A light-year is the distance light travels in one year.
SIGNS OF THE ZODIAC• T he Eg yptian Gr eek zodiak is still used in many par ts of the wor ld today. It has its r oots in the actient cultur es of the Mediter r anean ar ea, Ancient Egypt, Greece and Rome.
The signs of the zodiac• The sings have the Latin names given by the Romans. They are based on characters from Ancient Greek myths.
The signs of the zodiacScorpio: This poisonous creature was sent by the gods to kill the Greek hero Orion, the mighty hunter, after he had boasted that he could kill any living thing.
A constellation is a grouping of stars which have been given names by ancient astronomers because of the way they look.
DRACO • This constellation is best seen during the summer months.
URSA MAJOR• Ursa Major, The Great Bear, is one of the best known constellations, especially its seven stars that make up the Big Dipper or the plough.
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