2. OUR SOLAR SYSTEM
The Hooker was the largest telescope
in the world from 1917-1947.
Edwin Hubble
guiding the
Hooker in 1923.
3. OUR SOLAR SYSTEM
THE MILKY WAY
Our Galaxy is called the Milky Way,
because it looks like a way of milky white
light across the sky.
4. OUR SOLAR SYSTEM
SOLAR SYSTEM
It consists of the Sun, eight planets, moons, many
asteroids, comets, meteorites and dust and gases.
It is part of the Milky Way.
5. SUN
OUR SOLAR SYSTEM
It’s a burning ball of fire. It’s a star.
It is very big and life on Earth depends on it.
It provides light and heat.
7. MERCURY
OUR SOLAR SYSTEM
Its spin around the Sun lasts 88 days (3 months).
It’s a rocky ball of iron and it has no moon.
It’s the smallest and closest planet to the Sun.
8. VENUS
OUR SOLAR SYSTEM
It’s the same size as the Earth but spins the other way.
It’s a rocky planet and it has no water or moon.
It’s the hottest and brightest planet (day and night).
9. EARTH
OUR SOLAR SYSTEM
It´s the place where we all live.
It´s called The Blue Planet. It has water and 1 moon.
Its spin around the Sun lasts 365 days (1 year).
10. MARS
OUR SOLAR SYSTEM
It´s a rocky planet with the highest mountain.
It´s called The Red Planet. It has 2 moons.
It has got half of the size of the Earth.
11. JUPITER Stable
STORM
OUR SOLAR SYSTEM
It’s a gas giant. It has got thin rings and 63 moons.
It’s the biggest planet and it spins the fastest.
Its spin around the Sun lasts almost 12 days.
12. SATURN
OUR SOLAR SYSTEM
It has 5 rings (ice, stone and dust) and 62 moons.
It’s a gas giant and the second biggest planet.
Its spin around the Sun lasts almost 29 days.
13. URANUS
OUR SOLAR SYSTEM
It has rings made of dust. It has got 27 moons.
It’s an icy gas giant and the coldest planet.
It spins on its side and lasts 84 years.
14. NEPTUNE
OUR SOLAR SYSTEM
It’s an icy gas giant. It has thin rings and 13 moons.
It´s the windiest and farthest planet from the Sun.
Its spin around the Sun lasts almost 165 years.
15. OUR SOLAR SYSTEM
Solar System MATERIAL CHARACTERISTICS MOONS RINGS SPIN
SUN Fire Light and heat. - - -
MERCURY Rock Smallest. Closest No No 88 days.
VENUS Rock Hottest. Brightest No No Other way
EARTH Rock The Blue Planet 1 No 365 days
MARS Rock The Red Planet. Highest 2 No Almost 2 years
JUPITER Gas Biggest. Fastest 63 Yes 12 years
SATURN Gas Visible rings 62 Yes 29 years
URANUS Gas Coldest 27 Yes On its side
NEPTUNE Gas Farthest. Windiest 13 Yes 165 years
SUMMARY BOX
