celestial bodies in the solar system: the sun, planets, satellites, comets, asteroids and meteorids
DESCRIPTION
Presentation about the Solar System. It includes celestial bodies such as the Sun, the Moom, comets, asteroids, meteorids and of course; the main features of the eight planets. For primary students in grade 4 in Madrid bilingual state schools.TRANSCRIPT
Our solar system is made up by celestial bodies. Celestial bodies are natural objects in the sky and they can be:
-The Sun
-Planets
-Satellites
-Comets
-Asteroids
-Meteorids
It is a star because it produces light and
heat. The Sun is at the centre of the Solar
System.
There are eight planets that orbit, move around or revolve around the
Sun.
Mercury is the planet nearest to the Sun. This small and hot
planet has no moons.
It takes 58 days to rotate on its axis and
88 days to revolve around the Sun.
Its temperature goes from 465ºC to -184ºC.
Venus is the the hottest planet because it can reach 449ºC and it has no moons. It needs -243 days to rotate on its axis and 224 days to
orbit the Sun.
Venus is known as the “morning star” or “evening
star”.
We live on the Earth, the third planet from the Sun. It takes 24 hours to rotate
and 365 days to orbit the Sun.
It has one moon.
Mars is the most Earth-planet in the
Solar System. It has two moons and its
atmosphere is mainly composed of carbon
dioxide.
The biggest vocano in the Solar System
is there.
This is the surface of Mars. There is ice on both north and south poles.
Mars needs more than 24 hours to rotate on its axis and 686 days to revolve around the Sun.
Jupiter is a gas giant and the biggest planet in our Solar System. It is so big that the rest of
the planets could fit inside it. It has 63
moons.
It needs 10 hours to rotate on its axis and
almost 12 years to orbit the Sun.
Saturn is a gas giant which has beautiful rings
made of ice and rocks. It has 33
moons.
It needs 10 hours to rotate on its axis and more
than 29 years to revolve around
the Sun.
Uranus is a light blue gas giant with 27
moons.
This planet is extremely tilted and a gas called methane
gives it the blue colour as it absorbs
red light.
It needs 18 hours to rotate on its axis and 84 years to revolve
around the Sun.
Neptune is a blue gas giant because its atmosphere is
also composed of methane. It has 13 moons and it
needs 16 hours to rotate on its axis and more than 164
years to orbit the Sun!
So, it is the farthest planet to the Sun.
The poles are in constant darkness of sunlight for 40
years at a time.
PLANETPLANET MOONSMOONS ROTATIONROTATION REVOLUTIONREVOLUTION
MercuryMercury 00 58 days58 days 88 days88 days
VenusVenus 00 -243 days-243 days 224 days224 days
EarthEarth 11 24 hours24 hours 365 days365 days
MarsMars 22 24 hours24 hours 686 days686 days
JupiterJupiter 6363 10 hours10 hours Almost 12 Almost 12 yearsyears
SaturnSaturn 3333 10 hours10 hours 29 years29 years
UranusUranus 2727 18 hours18 hours 84 years84 years
NeptuneNeptune 1313 16 hours16 hours 164 years164 years
It is the only known planet where living things can survive. This is because:
- It has enough oxygen in its atmosphere.
-There is water on its surface.
-Its warm temperature: it is not too hot or too cold.
The Moon is the Earth’s only natural satellite. It rotates on its axis at the
same time that the Earth, so it needs 24 hours to do so. It also takes about
28 days to orbit the Earth.
Remember!: Satellites, like planets, do not produce light and heat. The Moon shines because it reflects off the light
from the Sun.
FULL MOON
THIRD QUARTER
CRESCENT MOON
CRESCENT MOON
FIRST QUARTER
They are space rocks. Some asteroids are as big as mountains.
Some meteorids are as small as a grain of sand.
ASTEROID APPROACHING A
PLANET
A comet is like a big snowball with a rock in the middle.
Comets start to melt when they get close to the Sun. A melting
comet has a long tail.
COMETS APPROACHING A PLANET